Business Weekly conducted a survey of recent graduates from

Last updated: 7/28/2022

Business Weekly conducted a survey of recent graduates from the top MBA programs. On the basis of the survey, assume that 55% of the recent graduates annual salary exceeds $55000. Suppose you take a simple random sample of 85 recent graduates. Note: round all z scores to 2 decimal places and all other numbers to 4 decimal places. Find the probability that more than 45% of the 85 recent graduates have an annual salary exceeding $55000. 0.0268 Beyond representative sampling, what assumptions are needed to satisfy the requirements for this problem? X binomial and both np and nq at least 5 X~ normal or n ≥ 30 X~ normal and n ≥ 30 X~ binomial and at least 5 successes and failures