Question 15 of 20 :
select the best answer for the question
15. a student received a 75% on an exam. if there were 20 questions on the exam, which
ratio would show the number of questions answered correctly to the total number of
questions?
rams
o a. 15: 20
o b. 20: 15
o c. 5: 20
o d. 20: 5
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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.