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3 years ago

Kylie recorded the number of squats she could do on each day of her training.

Mathematics

1 answer:

valina [46]3 years ago

3 0

Answer:

your answer will be B)Yes. Each input (day) has exactly one output (number of squats).

Step-by-step explanation:

<em>hope it helps ^_^</em>

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A researcher is investigating a government claim that the unemployment rate is less than 5%. To test this claim, a random sample

DerKrebs [107]

Answer:

The test statistic for this hypothesis test for a proportion is z=1.90.

Step-by-step explanation:

This is a hypothesis test for a proportion.

The claim is that the unemployment rate is less than 5%.

Then, the null and alternative hypothesis are:

$H_0: \pi=0.05\\\\H_a:\pi$

The sample has a size n=1500.

The sample proportion is p=0.061.

$p=X/n=92/1500=0.061$

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{\pi(1-\pi)}{n}}=\sqrt{\dfrac{0.05*0.95}{1500}}\\\\\\ \sigma_p=\sqrt{0.000032}=0.0056$

Then, we can calculate the z-statistic as:

$z=\dfrac{p-\pi-0.5/n}{\sigma_p}=\dfrac{0.061-0.05-0.5/1500}{0.0056}=\dfrac{0.0107}{0.0056}=1.90$

8 0

4 years ago

Help and explain please and ty <3333

Anni [7]

Answer:

A. 693

Step-by-step explanation:

The question is asking you to input 7 into both functions and then multiply them together.

First insert 7 into f(x) = 7 + 2x, 7 times 2 is 14, plus 7 = 21

do the same with g(x) = 5x - 2, 5 times 7 is 35, minus 2 = 33

fg(7) is saying to multiply fg together as a variable next to another variable does. leaving the answer as 693.

6 0

3 years ago

a sporting goods store offers a 40% discount on all golf clubs. Rocco spent 20% of the money in his savings account on a golf pu

Inessa05 [86]

$189

If the discounted price is $210, and his friend gets a 10% discount on that price, you can divide 210/10 and get 21.

Rocco's friend gets a $21 discount on the $210 irons, so therefore he will be paying $189

4 0

4 years ago

Find the area of circle having its radius 15cm

muminat

Answer:

A≈706.86

Step-by-step explanation:

welcome to brainly

4 0

3 years ago

Read 2 more answers

Global Gas International offers to contract the Halidurton Heavy Construction Corporation to build an oil pipeline from Canada t

LenKa [72]

Answer:

probability that make risk neutral accepting project < $\frac{1}{3}$ or 33.33 %

Step-by-step explanation:

given data

income = $600 million

legal liability = $1,200 million

to find out

what is the theta such that it is indifferent between accepting and rejecting the contract

solution

we know here that risk neutral between accept and reject contract θ value will be as that when net present value NPV of contract = 0

we can say NPV > 0

so ( 1- θ ) $600 Million + θ ( $1200 Million) > 0

$600 Million > $1800 θ

θ < $\frac{1}{3}$ = 33.33 %

so probability that make risk neutral accepting project < $\frac{1}{3}$ or 33.33 %

3 0

3 years ago