Question 1 A consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 63 months. Write the
Question 1
A consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 63 months. Write the null and alternative hypotheses and note which is the claim.
A)Ho: 63 (claim), Ha: > 63
B)Ho: > 63 (claim), Ha: 63
C)Ho: 63, Ha: > 63 (claim)
D)Ho: = 63 (claim), Ha: 63
Question 2
A business claims that the mean time that customers wait for service is at most 9.2 minutes. Write the null and alternative hypotheses and note which is the claim.
A)Ho: 9.2, Ha: 9.2 (claim)
B)Ho: > 9.2, Ha: 9.2 (claim)
C)Ho: > 9.2 (claim), Ha: > 9.2
D)Ho: 9.2 (claim), Ha: > 9.2
Question 3
An amusement park claims that the average daily attendance is at least 15,000. Write the null and alternative hypotheses and note which is the claim.
A)Ho: 15000 (claim), Ha: < 15000
B)Ho: > 15000 (claim), Ha: = 15000
C)Ho: 15000, Ha: > 15000 (claim)
D)Ho: = 15000, Ha: 15000 (claim)
Question 4
A transportation organization claims that the mean travel time between two destinations is about 23 minutes. Write the null and alternative hypotheses and note which is the claim.
A)Ho: 23, Ha: = 23 (claim)
B)Ho: = 23 (claim), Ha: 23
C)Ho: > 23, Ha: 23 (claim)
D)Ho: = 23 (claim), Ha: 23
Question 5
If the null hypothesis is not rejected when it is false, this is called __________.
A)the Empirical Rule
B)an alternative hypothesis
C)a type I error
D)a type II error
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