(a) Assume that the population of human body temperatures has a mean of 98∘F as is commonly believed. Also assume that the population standard deviation is 0.62∘F. If a sample of 100 people are randomly selected, find the probability of getting a sample mean of 98.2∘F or higher? (3pts)
(b) The state of New South Wales has an unemployment rate of 5%. The state conducts monthly surveys in order to track the unemployment rate. In a recent month, a random sample of 500 people showed that 20 were unemployed.
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