There is a bag filled with 6 blue and 5 red marbles.
A marble is taken at random from the bag, the colour is noted and then it is replaced.
Another marble is taken at random.
What is the probability of getting 2 of the same colour?

PLZ answer fast urgant help needed!

Answers

Answer 1

Answer:

0.5041 = 50.41% probability of getting 2 of the same colour

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

What is the probability of getting 2 of the same colour?

Both blue or both red

Since they are replaced, we have, in each trial:

6 blue from a set of 6 + 5 = 11

5 red from a set of 6 + 5 = 11

Probability of both blue:

Each with 6/11 probability. So

[tex]P = (\frac{6}{11})^2 = \frac{36}{121}[/tex]

Probability of both red:

Each with 5/11 probability. So

[tex]P = (\frac{5}{11})^2 = \frac{25}{121}[/tex]

Total:

[tex]p = \frac{36}{121} + \frac{25}{121} = \frac{61}{121} = 0.5041[/tex]

0.5041 = 50.41% probability of getting 2 of the same colour


Related Questions

Solve for the indicated side! (With picture)

Answers

Answer: x= 10

Step-by-step explanation:

Sorry for my sloppy hand writing.

Find the midpoint of segment AB if A(-3, 8) and B (-7, -6).

Answers

Answer: (-5,1)

Step-by-step explanation: that should be right

32 to 35 weeks have a mean weight of 2500 grams and a standard deviation of 800 grams while babies born after a gestation period of 40 weeks have a mean weight of 2800 grams and a standard deviation of 370 grams. If a 32​-week gestation period baby weighs 2375 grams and a 41​-week gestation period baby weighs 2675 ​grams, find the corresponding​ z-scores. Which baby weighs less relative to the gestation​ period?
Find the corresponding​ z-scores. Which baby weighs relatively less​? Select the correct choice below and fill in the answer boxes to complete your choice.
​(Round to two decimal places as​ needed.)
A.
The baby born in week 32 weighs relatively less since its​ z-score, nothing​, is smaller than the​ z-score of nothing for the baby born in week 41.
B.
The baby born in week 41 weighs relatively less since its​ z-score, nothing​, is smaller than the​ z-score of nothing for the baby born in week 32.
C.
The baby born in week 41 weighs relatively less since its​ z-score, nothing​, is larger than the​ z-score of nothing for the baby born in week 32.
D.
The baby born in week 32 weighs relatively less since its​ z-score, nothing​, is larger than the​ z-score of nothing for the baby born in week 41.

Answers

Answer:

Step-by-step explanation:

Answer:

Babies of 33 week weighs relatively less than the babies of 41 week.

Explanation:

Z score is determined by

x-u/sd

A) For 33 Week baby

Given

Mean 2500

SD 800

Z score is

2600-2500/800 =0.125

B) For 41 Week baby

Given

Mean 2800

SD 425

x=2900

Z score is

2900-2800/425 =0.235

The z score depicts that the baby of 33 week or 41 week weighs more than the normal babies of same age group.

Thus, babies of 33 week weighs relatively less than the babies of 41 week.

9m+4n-9m what is this

Answers

4n because both 9m’s will cancel eachother out since one is negative and One is positive.

Help me ...................

Answers

Your answer would be C because you would add 9 to both sides and get 4x > -12
And then you divide by four on both sides and get x> 3.

Please help me pleaseeeee

Answers

Answer:

Step-by-step explanation:

Answer:

tangent; inverse; 28.6

Step-by-step explanation:

You have given two legs;

You would use the inverse function, you are not given an angle;

g is about 28.61 degrees

Solve for x. What is the value of

Pls help me

Answers

Answer

x = 21

HOS = 68

Explanation

The arrows beside x point to 12 and 6, which is a straight angle. Straight angles always add up to 180 degrees.

So that means 3x+5 plus 5x+7 must equal 180 degrees.

3x+5+5x+7 = 180

Combine like terms.

8x+12 = 180

Subtract 12 from both sides.

8x = 168

x = 21

But BE CAREFUL.

The problem is asking for the angle HOS.

To do this, just substitute what you got for x into the expression.

3(21)+5 = 68

The value of HOS is 68 degrees.

Explain your answer !

( WILL GIVE BRAINLST)

Answers

Answer:

Its A

Step-by-step explanation:

Please help
Will give brainlst

Answers

the answer is D. 24 :)

Answer:

The answer is D. 24

Step-by-step explanation:

there are 6 atoms of Carbon, 12 atoms of Hydrogen, and 6 atoms of Oxygen.

If you add them together: 6 + 12 + 6 +24

Ann borrowed $3000 from a lender that charged simple interest at an annual rate of 7% When Ann paid off the loan, she paid $420 in interest. How long was the loan for, in years?

Answers

Answer:

it was a 2 year loan with $210 contributed each year

Step-by-step explanation:

you take 7 percent of 300 which is 210 and see how many times it goes into the total interest amount and then your answer is how many years the loan was for

Please hurry; Which function increases the fastest? A. y 5 14x B. y 5 23 · 17x C. y 5 120x D. y 5 2275x^x

a y = 14^x
b y = -3 (17)^x
c y = 120x
d y = -275x

Answers

Answer: y = 14^x

Step-by-step explanation:

Here the options are:

a y = 14^x

b y = -3*(17)^x

c y = 120x

d y = -275x

to see which function increases the fastest (or which function is steeper) we need to look at the first derivations of each one of these, and see which one is larger for every value of x:

the derivations are:

a y = x*14^(x - 1)

b y = -x*3*(17)^(x  - 1)

c y = 120

d y = -275

So we can already discard options c and d, because have constant rate of change.

Then we keep options a and b.

Always when we have an exponential function, like a^x and b^x

The one with the larger base will be steeper.

So if a > b, then:

a^x is steeper than b^x

In this case, the function:

y = -3*(17)^x

has a larger base, but, this function is negative.

This means that as x increases, our function will decrease, then this function will not "increase the fastest" (because it does not increase)

Then the left option (a: y = 14^x)

Will be the correct one.

(this will happen after some value of x, because two of the options have constant derivatives, these may be steeper for smaller values of x, and as x increases, we will see that y = 14^x is the one that increases the fastest)

Someone please help me ASAP

Answers

Given:

The number of alligators in a wildlife is given by the function

[tex]f(x)=3450(1.04)^{x+1}[/tex]

To find:

The average growth rate of change from the 4th year to the 7th year.

Solution:

We have,

[tex]f(x)=3450(1.04)^{x+1}[/tex]

For x=4, we get

[tex]f(4)=3450(1.04)^{4+1}[/tex]

[tex]f(4)=3450(1.04)^{5}[/tex]

[tex]f(4)=4197.4525[/tex]

For x=7, we get

[tex]f(7)=3450(1.04)^{7+1}[/tex]

[tex]f(7)=3450(1.04)^{8}[/tex]

[tex]f(7)=4721.5632[/tex]

Now, the average growth rate of change from the 4th year to the 7th year is

[tex]m=\dfrac{f(7)-f(4)}{7-4}[/tex]

[tex]m=\dfrac{4721.5632-4197.4525}{3}[/tex]

[tex]m=\dfrac{524.1107}{3}[/tex]

[tex]m\approx 174.70[/tex]

Therefore, the average growth rate of the change from the 4th year to the 7th year is 174.70 per year.

what is -40p2 -7m+20p2 -4m +11m???​

Answers

-20P2 I’m pretty sure

Find the area of the shape below.

Hint: Find the area of the two triangles and the square and add them together.

Answers

The total area of the shape is 12

5) A book is sold at $152.50 and a discount of 9% is given for students.
Find the cost of the book.
13

Answers

Answer:

$138.78

Step-by-step explanation:

152.50 decrease 9% =

152.50 × (1 - 9%) = 152.50 × (1 - 0.09) = 138.775

a store receives 8 boxes of Picture frames to sell. Unfortunately, 3 of the frames are broken and cannot be sold. There are 45 left that can be sold. The Store manager wants to know how many frames are in each box

Answers

Answer:

6

Step-by-step explanation:

45/8=5.62

round it to 6

There are 6 frames in each box.

What is equation modelling? What is a mathematical equation and expression?Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.

Given is that a store receives 8 boxes of Picture frames to sell. Unfortunately, 3 of the frames are broken and cannot be sold. There are 45 left that can be sold.

Assume that the number of frames in each box are [x]. Then, we can write -

8x = 45 + 3

8x = 48

x = 6

Therefore, there are 6 frames in each box.

To solve more questions on functions, expressions and equation modelling, visit the link below -

brainly.com/question/17421223

#SPJ2

ANSWER QUICK PLS ANSWER QUICK PLS
Pls answer all questions

Answers

Answer:

this is the closest i can get to the answer

1. 0.33/1 = 0.33

2. how much it costs per ounce

3. it represents the facts that it costs 0.33 per ounce

4. y=0.33x+0.33

sorry if it's wrong

b) ¿Qué permite que las señales se transmitan por los nervios?​

Answers

Answer:

el cerebro quizas no se puede ser

please look at the picture. Find where the points will be reflected

Answers

Point C) (3,4)
Point A) (3,6)
Point B) (6,2)

Angles 1 and 2 are complementary. If m<1 = 56°, what is the measure of <2? ​

Answers

Answer:

34°

Step-by-step explanation:

complementary means they equal 90° so you just have to subtract 56 from 90 and then you get your answer.

The students in one classroom sold tickets to the talent show They
sold 200% of the amount of tickets that they sold last year. If they
sold 40 tickets this year, how many did they sell last year?

Answers

Answer:

X= 80

Step-by-step explanation:

200% = X

100%  = 40

40 * 200% = 100% * X

8000 = 100 * X

8000/100 = 100*X / 100

X = 80

Why is a data point with an​ x-coordinate of 0 a good point to use when creating a trend line for a data​ set? The graph shows the altitude of a weather balloon over time. The trend line passes through the points ​(0​,481​) and ​(10,39,​). Write the equation of a trend line for the data shown in the graph. After how many minutes is the balloon at an altitude of 454.6 feet above sea​ level?

Answers

It takes the balloon 0.6 minutes to reach an altitude of 454.6 feet above sea​ level

A linear equation is given by:

y =mx + b

where y, x are variables, m is the slope of the line and b is the y intercept.

Let y represent the altitude of the balloon at time x.

Given that a trend line passes through the point ​(0​,481​) and ​(10,39), the equation of the trend line is:

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\y-481=\frac{39-481}{10-0}(x-0)\\\\y=-44.2x+481[/tex]

At 454.6 ft:

454.6 = -44.2x + 481

-26.4 = -44.2

t = 0.6 minutes

It takes the balloon 0.6 minutes to reach an altitude of 454.6 feet above sea​ level

Find out more at: https://brainly.com/question/13911928

There are 4 cups of flour in 3 batches of cookies . How many cups are in one batche.

Answers

Answer: Around 1.33 Cups per batch

Step-by-step explanation:

4 / 3 ≈ 1.33

Answer:

1 1/3

Step-by-step explanation:

Math

Find the Value of X using Pythagorean theorem please round to the nearest tenth

Answers

Answer: [tex]x=\sqrt{18}[/tex]

Step-by-step explanation:

We can use Pythagorean's Theorem for the triangle on the bottom. The resulting answer will give the side length of the square.

[tex]3^2+3^2=\sqrt{18}[/tex]

I NEED HELP ASAP PLEASE SOLVE FOR X

Answers

ANSWER: x = 130°

EXPLANATION: You must add given angles and then subtract from 180°.

The 6th grade yearbook committee pays $15.00 for each yearbook and $19.95 shipping fee for the entire order. What formula represents the amount of money the committee will pay for any order? Let n = number of yearbooks and c=cost of the order.

Answers

Answer:

The good kind

Step-by-step explanation:

Yes

Answer:

15n+19.95=c

Step-by-step explanation:

15 per yearbook plus 19.95 equals the total cost

Which two simple machines are being used in the diagram

Answers

Answer:

2

Step-by-step explanation:

Inclined plane ; wheel and axle.

The values in the table represent a linear function. How does the value of y
change in relation to a change in the value of x? The value is negative four
X Y
9 4
3 0
-3 -4
-9 -8

Answers

Answer:

The table shows that:

The value of y decreases when the value of x decreases or vice versa, the value of y increases as x increases.

Therefore the line has a positive slope

Please help. Will mark brainliest! Answer the questions.

Answers

Would you not just multiply all of the following numbers to get a total of 160?

Answer:

160 .........................................................................

Is 0.7 bigger or 0.75

Answers

Answer: 0.75 Is bigger

Step-by-step explanation:

0.7 is 0.70

meaning 0.75 is bigger.

Answer:

.75 is larger

Step-by-step explanation:

Think about it in terms of whole number. 75 is greater than 70, therefore .75 is greater than .70

There is a hidden 0 after the .7

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