The average salary for a certain profession is $87,000. Assume that the standard deviation of such salaries is $34,500.
Posted: Mon Jul 11, 2022 11:27 am
The average salary for a certain profession is $87,000. Assume that the standard deviation of such salaries is $34,500. Consider a random sample of 55 people in this profession and let x represent the mean salary for the sample. Click the icon to view the table of normal curve areas. a. b. What is ? H=87000 What is 6-? 0. 4651.98 (Round to two decimal places as needed.) C. Describe the shape of the sampling distribution of x. OA The shape is that of a poisson distribution. OB. The shape is that of a uniform distribution. c. The shape is that of a normal distribution. OD. The shape is that of a binomial distribution. d. Find the z-score for the value x = 77,500. z = -2.04 (Round to two decimal places as needed.) Find P(x>77,500) P(x>77,500) = (Round three decimal places as needed.)