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Question: Consider the ages of CEOs of companies throughout the United States.
Event A: CEO is under 40
Event B: CEO is at least 30
Event C: CEO is in his or her 50s
Event D: CEO is under 60
a. Are Events A and B mutually exclusive? Explain.
b. Are Events A and C mutually exclusive? Explain.
c. Is Event A a subset of Event C? Explain.
d. Is Event A a subset of Event D? Explain.
Without constructing the 98% confidence interval for the rate of effectiveness, would you expect the interval to be longer or shorter compared to the 95% confidence interval? Why?
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1.suppose we are testing the null hypothesis h0 micro 50 and the alternative ha micro ne 50 for a normal population
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