Question: 1.A pharmaceutical company wants to test a new vaccine

Question: 1.A pharmaceutical company wants to test a new vaccine in
preventing a disease. It is expected that 65% of non-vaccinated and exposed people will contract the disease. A group of 100 volunteered to be vaccinated. Following exposure, 58 of the volunteers showed symptoms. At α = 0.10, has the proportion contracting the disease decreased enough to discount sampling variation?
Question 1 options:
a.No. H0: π ≥ 0.65 is not rejected because pvalue 0.071 > 0.05.
b.No. H0: π ≥ 0.65 is not rejected by pvalue 0.142
c.Yes because H0: π ≤ 0.65 is accepted by pvalue 0.9289
d.Can’t tell because H0: π = 0.65 has pvalue 0.142
e.Yes because pvalue 0.071 < alpha

2. Consider recent Monkey Cheese Pizza stock prices of 34, 32, 29, 36, 43, 31, 33, and 28 $ per share. At α = 0.05, has the price increased from 30 $ per share?
Question 2 options:
a.none of the answers are correct
b.Price has not increased because H0: µ ≥ 30 is not rejected by pvalue 0.9539.
c.Price has not changed because H0: µ = 30 is not rejected by pvalue 0.092
d.Price has increased because H0: µ ≤ 30 is rejected by pvalue 0.046
e.Price has increased because , H0: µ ≥ 30 is rejected

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