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Business Weekly conducted a survey of recent graduates from the top MBA programs. On the...

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Basic Math

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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. 0.0268Beyond representative sampling, what assumptions are needed to satisfy the requirements for this problem?X binomial and both np and nq at least 5X~ normal or n ? 30X~ normal and n ? 30X~ binomial and at least 5 successes and failures

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