Average salaries for full-time associate professors in United States doctoral departments of psychology are not normally distributed but have a mean of $71,955 and a standard deviation of $13,513. For a random sample of size 200, find the probability that is at least $73,000. Select one: O a. 0.14 O b. 0.24 OC. 0.44 O d. Cannot be determined because the sampling distribution of is unknown

If n = 20, ¯xx¯ = 47, and s = 10, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population. Give your answers to three decimal places. ___________<μ<_____________

I only need answers to the 3 unanswered questions

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