Continuing This Quiz: 15 pts po Question Help According to a reputable magazine,

Question

Continuing
This Quiz: 15 pts po Question Help According to a reputable magazine, the percentage of female CEos in a certain group of high-revenue companies was 5% suppose a student dd a survey of 200 randomly selected large companies (not the group of high-revenue companies) and 16 of them had female CEOs. Complete parts (a) and (b) below a. About how many of the 200 companies should the student expect to have female CEos if the proportion of female CEos is 5s, as it is for the group of high-revenue companies? companies (Round to the nearest integer as needed.) b Carry out the first two steps of a hypothesis test that will test whether the population proportion of female CEos is not o 05 Determine the null and alternative hypotheses Type integers or decimals. Do not round satisfied? Select all that apply Check the conditions for the one-proportion z-test Are all the conditions A. No the Large Sample size condition is not satisfied or cannot be reasonably assumed B. No the Large Population condition is not satisfied or cannot be reasonably assumed Click to select your answer

Explanation / Answer

Part-a

Sample size n=200

Success x=16

If proportion of female CEO=5% then 200*5%=10 companies are expected yo have female CEO.

Fill in blanks=10

Part-b

H0:p=0.05

Ha: p0.05

Part-c

We have np=200*0.05=10>5 and n(1-p)=200*(1-0.05)=200*0.95=190>5

So assumption of one proportion z-test are satisfied.

Last check box is answer.

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