(Answered) Question consider a random sample of size 20 from a normal

Statistics

Question: Consider a random sample of size 20 from a normal population with hypothesized mean 1.618.

a. Write the four parts for a one-sided, left-tailed hypothesis test concerning the population mean with a 5 0.05.

b. Suppose x¯ = 1.5 and σ = 0.45. Find the value of the test statistic, and draw a conclusion about the population mean.

c. Find the p value associated with this hypothesis test.

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