Answered You can hire a professional tutor to get the answer.
If we assume the standard deviation for the number of mosquito bites that a person gets in America is 6.09 then we should be able to get an 88%...
If we assume the standard deviation for the number of mosquito bites that a person gets in America is 6.09 then we should be able to get an 88% confidence interval for the average. A sample of 328 people in America had an average of 53.4 mosquito bites. Find the z score.