Assume, historically, the distribution of the home-run (HR) and wins for each team's season games follow a normal distribution with means 179 and 75 respectively and with variances of 1000 and 12 respectively. ESPN hires you to investigate whether the average team's HR in 2018 season was higher at 0.10 significance level. a. State the null and the alternate hypotheses? b. What is your final decision and justify your answer? That is, perform a hypothesis test. c. Using a 0.05 significance level, conduct a hypothesis test to determine whether the mean win was more than 75?

MATLAB: An Introduction with Applications
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Assume, historically, the distribution of the home-run (HR) and wins for each team's
season games follow a normal distribution with means 179 and 75 respectively and with
variances of 1000 and 12 respectively. ESPN hires you to investigate whether the average
team's HR in 2018 season was higher at 0.10 significance level.
a. State the null and the alternate hypotheses?
b. What is your final decision and justify your answer? That is, perform a hypothesis
test.
c. Using a 0.05 significance level, conduct a hypothesis test to determine whether the
mean win was more than 75?
Transcribed Image Text:Assume, historically, the distribution of the home-run (HR) and wins for each team's season games follow a normal distribution with means 179 and 75 respectively and with variances of 1000 and 12 respectively. ESPN hires you to investigate whether the average team's HR in 2018 season was higher at 0.10 significance level. a. State the null and the alternate hypotheses? b. What is your final decision and justify your answer? That is, perform a hypothesis test. c. Using a 0.05 significance level, conduct a hypothesis test to determine whether the mean win was more than 75?
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