Question

The tip percentage at a restaurant has mean value of 18%and a standard deviation 6%

Answer 1

Answer:

the tip percentage at a restaurant has a mean value of 18% and a standard deviation of 6%. a. what is the approximate probability that the sample mean tip percentage for a random sample of 40 bills is between 16% and 19%? b. if the sample size had been 15 rather than 40, could the probability requested in part (a) be calculated from the given information?

Question: The Tip Percentage At A Restaurant Has A Mean Value Of 18% And A Standard Deviation Of 6%. A. What Is The Approximate Probability That The Sample Mean Tip Percentage For A Random Sample Of 40 Bills Is Between 16% And 19%? B. If The Sample Size Had Been 15 Rather Than 40, Could The Probability Requested In Part (A) Be Calculated From The Given Information?

This problem has been solved!

The tip percentage at a restaurant has a mean value of 18% and a standard deviation of 6%.

a. What is the approximate probability that the sample mean tip percentage for a random

sample of 40 bills is between 16% and 19%?

b. If the sample size had been 15 rather than 40, could the probability requested in part (a)

be calculated from the given information?

$hope \: helped \: !$