You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately 56.8 . You would like to be 95% confident that your estimate is within 4 of the true population mean. How large of a sample size is required

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation:

-81 -56 -27 0 81

step-by-step explanation:

vwhat effect does the word head have on the meaning of this passage?

a. it demonstrates how intelligent he was.

b. it shows he was a favorite of the teachers.

c. it indicates he would be a good preacher.

d. it reveals how self-important he was.

how does the choice of the word head contribute to the passage’s tone?

a. it offers a sense of entitlement.

step-by-step explanation: