Reference no: EM13773465
Some of the following statements refer to the null hypothesis, some to the alternate hypothesis. State the null hypothesis, H0, and the alternative hypothesis. Ha, in terms of the appropriate parameter (μ or p).
a. The mean number of years Americans work before retiring is 34.
H0: _____________ Ha: ____________
b. At most 60% of Americans vote in presidential elections.
H0: _____________ Ha: ____________
c. The mean starting salary for San Jose State University graduates is at least $100,000
per year.
H0: _____________ Ha: ____________
d. Twenty-nine percent of high school seniors get drunk each month.
H0: _____________ Ha: ____________
e. Fewer than 5% of adults ride the bus to work in Los Angeles.
H0: _____________ Ha: ____________
f. The mean number of cars a person owns in her lifetime is not more than ten.
H0: _____________ Ha: ____________
g. About half of Americans prefer to live away from cities, given the choice.
H0: _____________ Ha: ____________
h. Europeans have a mean paid vacation each year of six weeks.
H0: _____________ Ha: ____________
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