The critical value zα/2 that corresponds to a 83% confidence level is 1.37.
The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:
[tex]z=\frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean,\sigma=standard\ deviation[/tex]
Given that the confidence level (C) = 83% = 0.83
α = 1 - C = 0.17
α/2 = 0.17/2 = 0.085
The z score of α/2 corresponds with the z score of 0.415 (0.5 - 0.085) which is equal to 1.37
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assume that y varies directly as x. if y=7 when x=4, find y when x=12
PLEASE ANSWER FAST TIMED TEST
Answer:
0.0000015
Step-by-step explanation:
pls help I have headache i try everything
Answer:
210 students
Step-by-step explanation:
30%=63
10%=63÷3
=21
100%=21×10
=210
72 boxes out of 90 sold what percentage sold
Answer:
is what is the math thing at you need help with huh
Help! Give brainliest!
City A grows by 5% every year. In 2001, it has a population of 145,201. What will the population be in 2037?
Total years=2037-2001=36
[tex]\\ \sf\longmapsto S=P\left(1+\dfrac{r}{100}\right)^t[/tex]
[tex]\\ \sf\longmapsto S=145201\left(1+\dfrac{5}{100}\right)^{36}[/tex]
[tex]\\ \sf\longmapsto S=145201\left(\dfrac{105}{100}\right)^{36}[/tex]
[tex]\\ \sf\longmapsto S=145201(1.05)^{36}[/tex]
[tex]\\ \sf\longmapsto S=145201(5.79)[/tex]
[tex]\\ \sf\longmapsto S\approx 840713[/tex]
___________
[tex]\:[/tex]
Answer in the picture.
What temperature should I cook this
fish or while or you or ne or sex
Answer:
350
Step-by-step explanation:
you should cook it between 350-365
Jared's car can travel 320 miles on 1 tank of gasolin. The gas tank of his car holds 22.4 gallon. If one gallon of gas costs $3.46, how much did he pay in gasif he travelled 563 miles. Round answer to nearest hundredth.
Answer:
39.8, $51.00
Step-by-step explanation:
he perimeter of a rectangular field is 342m If the length of the field is 92m what is its width?
Answer:250
Step-by-step explanation:
342-92
A cooking pot holds 35 liters of water. This is 7 times the amount of water a mixing bowl can hold.
How much water can the mixing bowl hold?
A. 5 liters
B. 7 liters
C. 28 liters
D. 245 liters
Answer is A :) just simply divide 35 and 7 and you get 5!
answer .
5
explanation.
simple just 35 divide by 7
The difference between
five-halves of a number and 17 is 48
Answer:
31, the five halves of is 6.2
Step-by-step explanation:
In a 5k race, the average time for a runner to finish was 25.2 minutes. The standard deviation is 3.5 minutes. ROUND ALL Z-SCORES TO 2 DECIMAL PLACES.
1. What is the z-score of a runner who finished in 20 minutes?
2.what is the z-score of a runner who finished in 30.5 minutes?
3. what is the z-score of a runner who finished in 26 minutes?
4.why are some z-scores negative and some positive? what does a positive z-score tell you? what does negative z-score tell you?
Please Help im so confused!!!
see link in comments
Complete the equation so that it has one solution.
-2z+3-z=□-4z+2
answer...
ExplanasionStep-by-step explanation:
Step 1: switch sides and add up.
[tex] z + 1 - x = 0[/tex]
Step 2: switch sides for z is alone
[tex]z = x - 1[/tex]
Note: I used the blank space as x.
if 1 = 33 seconds how much would 1hour be?
I really need help on this please
Answer:
When you simplify you get 5/6. Hence both x can be removed and when divided by the exponents you get x cannot be equal to zero. The Answer is the second.
Step-by-step explanation:
The town of Lantana needs $14,000 for a new playground Lantana elementary school raised 5358, Lantana Middle School raised $2,834 and Lantana High school raised $4132. about how much more do they need to raise? Choose the best estimate.
1. 500
2. 2,000
3. 3000
4. they already raised enough money.
Answer: The answer is actually 1,676. But you can estimate it to 2,000. so the town of Lantana would have about 2,000 dollasrs left to raise to reach there goal.
Step-by-step explanation:
You would first make sure you add all the number like 5,358+2,834+4,132. And once you get you answer you subtract 14,000 from the number you got!
I really hope that helps.
A circle of 5 cm radius is drawn, and another circle 3 cm radius is drawn. What is the radius of a circle that has the same area as the bigger one excluding the cut one?
(a) 2 cm
(b) 3 cm
(c) 4 cm
(d) 5 cm
Answer:
4 cm
Step-by-step explanation:
PLEASE HELP! Economics
Answer:
B
Step-by-step explanation:
hope it helps, and im finding another question
Answer:
B. a German citizen
Step-by-step explanation:
I think I'm not sure.
At a certain time of day, a tree that is x meters tall casts a shadow that is x - 23 meters long. If the distance from the top of the tree to the end of
the shadow is x + 2 meters, what is the height, x, of the tree?
Answer:
The height, x of the tree is 35 meters
Step-by-step explanation:
use Pythagorean theory to answer
(x+2)^2= x^2+(x-23)^2
[tex]x^{2}[/tex]+4x+4=[tex]x^{2}[/tex]+[tex]x^{2}[/tex]-46x+529
re-arrange the equation and collect like terms
[tex]x^{2}[/tex]-50x+525=0
(x-35)(x-15)=0
x=15 or x=35
x cannot be 15 because 15-23 is a negative answer
therefore the height of tree is 35 m
Someone please help me
Answer:
,
Step-by-step explanation:
all work shown and pictured
Malachi took cans to the recycling plant and put them into the can-crusher one at a time. After he had already crushed some of the cans, he started recording the number of cans he crushed per minute. This table shows how many cans Malachi put in the can-crusher at different times.
Time (min): 2 , 4 , 6 , 8
Number of cans crushed: 4 , 9 , 64 , 79 , 94
What is the equation that represents Malachi’s situation, where x represents the time and y represents the number of cans crushed?
Answer:
it is 793
Step-by-step explanation:
SHEET CAKES
--------------------------------------------
$36 Small (Feeds 12 people)
$46 Medium (Feeds 22 people)
$56 Large (Feeds 32 people)
--------------------------------------------
The new pastry chef at Jackson's Bakery specializes in Sheet cakes for parties. She sold 17 small, 11 medium, and 20 large sheet cakes in one week. How much money did Jackson's Bakery make in one week from sheet cakes?
Answer: $2,245 (I know it for this one but not the next one)
How many people would all of the sheet cakes sold in problem 3 feed?
--------------------------------------------------------------------------------------------------------
(Dont need to tell me the answer just tell the steps I need to do)
Answer:
The chef sold 17 small sheet cakes. One small sheet cake can feed 12 people, so the small sheet cakes she sold can feed 17*12 people, which is 204 people. Do this for the medium and large sheet cakes as well, and add them up, and you'll get the answer.
Step-by-step explanation:
Hope this helps!
Answer:
1086
Step-by-step explanation:
1. 7x12= 204(small cakes)
2. 11x22=242(medium cakes)
3.20x32=640(large cakes)
4. add all of the products up
so: 204+242+640
= 1086
This should be correct.
Evaluate N2 + 2N + 1 for N = 5.
51
36
21
Answer:
36
Step-by-step explanation:
N^2 + 2N + 1
Since we are given N = 5, we just substitute N for 5
(5)^2 + 2(5) + 1
25 + 10 + 1
36
Answer: 36
Step-by-step explanation:
5*5 + 5*2 +1 = 25 + 10 + 1 = 36
find the quotient. (2^4x+4) ÷ (2^x+1)
Answer:
(16x/2^x+1) + (4/2^x+1
Step-by-step explanation:
the parentheses are there so you know the two arent beside each other
Please answer this question no links please
Answer:
first I need to know what your question is to be able to answer this question sorry
Answer:
Ummm what is the question?
Step-by-step explanation:
Which of the following equations is an example of inverse variation between
the variables x and y?
A. y = 12x
B. y =х
12
C. y= x + 12
D. y = 12
х
Answer:
The correct answer is option D
Step-by-step explanation:option A : y = x/12 ⇒ x = 12y (wrong option)
option B : y = 12/x ⇒ y * x = 12 (wrong option) and c will be equal 12
option C : y = x + 12 ⇒ not similar to the general form (wrong option)
option D : y = 12/x (corect option)( I meant to switch it around)
The general form of inverse variation between the variables x and y is as following:
where c is constant
So, the correct option is D
Math is really difficult for my smooth brain
Answer:
77
try to multiply the 0.85 so u can find a suitable number for the dividend.
Find the volume of the sphere. **30 points**
Either enter an exact answer in terms of pi or with 3.14
Radius=8
Answer:
The volume of the sphere is 2,143.57
Step-by-step explanation:
The formula for finding the volume of the sphere is
V = [tex]\frac{4}{3}[/tex]π[tex]r^{3}[/tex]
"r" represents the radius of the sphere. So put the value of it in the formula.
V = ([tex]\frac{4}{3}[/tex])(3.14)([tex]8^{3}[/tex])
V = ([tex]\frac{4}{3}[/tex])(3.14)(512)
Multiply all of them and you will get:
2143.57333333 or 2,143.57 which is the volume of the sphere
what are the first 4 multiples of 4.
Answer:
the first 4 multiples of 4
Multiples of 4: 4, 8, 12, 16,
Step-by-step explanation:
Answer:
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, …
Step-by-step explanation:
please mark as brainlist
Question 6: 17 pts
Identify the parent function for the function g(x) = x2 - 4 based on its function rule.
Then graph g and identify the transformation of the parent function that it
represents.
linear; translation up 4 units
quadratic; translation up 4 units
quadratic; translation down 4 units
O
linear; translation down 4 units
Answer:
Parent function is g(x) = x² a quadratic
Step-by-step explanation:
quadratic; translation down 4 units
-4 means the vertex will move down 4
The transformation of the parent function that represents translation down 4 units. Therefore, quadratic; translation down 4 units.
The given function is g(x)=x²-4.
What is the parent function?A parent function is the simplest function that still satisfies the definition of a certain type of function. For example, when we think of the linear functions which make up a family of functions, the parent function would be y = x. This is the simplest linear function.
Quadratic; translation down 4 units:
The parent function of the quadratic family is f(x) = x2. A transformation of the graph of the parent function is represented by the function g(x) = a(x − h)² + k, where a ≠ 0.
The transformation of the parent function that represents translation down 4 units. Therefore, quadratic; translation down 4 units.
To learn more about the parent function visit:
https://brainly.com/question/17939507.
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GIVING 100 POINTS AND BRAINLIEST IF CORRECT! You recently upgraded your experience by buying an Controller for $74.99 and an Game Pass Subscription for $14.99 per month.
Answer:
Part A: It's linear because it increases at a constant rate of 14.99 dollars per month
Part B: C = 14.99M + 74.99 (y = 14.99x + 74.99)
Step-by-step explanation:
Part A: Every month, you have to pay the same amount.
1 month = 14.99
2 months = 14.99 + 14.99
3 months = 14.99 + 14.99 + 14.99
So, it's linear.
Part B: We have to use the formula y = mx + b, or slope-intercept form, to represent the total cost per month.
m = slope, b = y-intercept (initial value)
Let's have the total cost be represented as C
Let's also have the subscription per month be represented as M
So, C would = 74.99, because we only need to pay for a controller once
But we also our subsription per month, M, as 14.99.
So our final answer would be C = 14.99M + 74.99, or y = 14.99M + 74.99 if you can't make your own variables
I wanted to get more indepth. Try adding this to notes! <3
