8. For each of the following, write out the alternative hypothesis, being sure t

Question

8. For each of the following, write out the alternative hypothesis, being sure to indicate whether it is one-sided or two-sided.

a. Consumer Reports discovered that 20% of a certain computer model had warranty problems over the first three months. From a random sample, the manufacturer wants to know if a new model has improved that rate.

b. The last time a philanthropic agency requested donations, 4.75% of people responded. From a recent pilot mailing, they wonder if that rate has increased.

c. A student wants to know if other students on her campus prefer Coke or Pepsi.

Explanation / Answer

Note: Alternate Hypothesis is a statement that the researcher is trying to prove right.

Alternate hypothesis for the given statements are:

Related Questions

Navigate

• Browse (All)
• Browse 8
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.