110k views
1 vote
The mean salary offered to students who are graduating from coastal State University this year is 24245 dollars with a standard deviation of 3643 dollars a random sample of 80 coastal State students graduating this year has been selected what is the probability that the mean salary offer for those 80 students is $24,750 or less

User Thoran
by
5.9k points

1 Answer

3 votes

Answer:

Explanation:

---------------

z(24750) = (27450-24260)/[3643/sqrt(85)] = 1.24007

---------------------------

P(z > 1.24007) = 10.747%

==============================

User Justin Williams
by
5.3k points