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3 years ago

What would 2, 3, and 4 be?

Mathematics

1 answer:

Alexandra [31]3 years ago

4 0

Angle addition postulate

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The proportion of students at a college who have GPA higher than 3.5 is 19%. a. You take repeated random samples of size 25 from

melomori [17]

Answer:

$\mu_{\hat{p}}=0.19$

$\sigma_{\hat{p}}=0.0785$

Step-by-step explanation:

We know that the mean and the standard error of the sampling distribution of the sample proportions will be :-

$\mu_{\hat{p}}=p$

$\sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$

, where p=population proportion and n= sample size.

Given : The proportion of students at a college who have GPA higher than 3.5 is 19%.

i.e. p= 19%=0.19

The for sample size n= 25

The mean and the standard error of the sampling distribution of the sample proportions will be :-

$\mu_{\hat{p}}=0.19$

$\sigma_{\hat{p}}=\sqrt{\dfrac{0.19(1-0.19)}{25}}\\\\=\sqrt{0.006156}=0.0784601809837\approx0.0785$

Hence , the mean and the standard error of the sampling distribution of the sample proportions :

$\mu_{\hat{p}}=0.19$

$\sigma_{\hat{p}}=0.0785$

8 0

4 years ago

Mrs. Yuri’s classroom has 21 students. She took all of her students to a field trip at the skate station and brought four chaper

worty [1.4K]

21+1=22
Chaperones:supervises so won't be participating
143 divided by 22 equals 6.5
Answer:6.5
Are u sure u didn't misspelled 6.5 into 7.5?

5 0

3 years ago

Read 2 more answers

Please help me

victus00 [196]

Answer:

The lines are perpendicular, meaning if they were to intersect, they would form four right angles.

3 0

3 years ago

Can someone help with this please

Roman55 [17]

The scale is that 3 the force is going on a colicky of 350

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3 years ago

What is the GCF of 48 and 36

slega [8]

Answer:

12 is the gcf of 48 and 36

Step-by-step explanation:

Hope this helps :)

3 0

3 years ago