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17. Suppose that the mean time for a certain car to go from 0 to 60...

17. Suppose that the mean time for a certain car to go from 0 to 60 miles per hour was 8.6 seconds. Suppose that you want to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer than 8.6 seconds. What would you use for the alternative hypothesis?

a.

H1 : μ < 8.6 seconds

b.

H1 : μ > 8.6 seconds

c.

H1 : μ = 8.6 seconds

d.

H1 : μ ≥ 8.6 seconds

e.

H1 : μ ≤ 8.6 seconds
math   Statistics-And-Probability   
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Answer #1

Solution :

This is the RIGHT tailed test .

The null and alternative hypothesis is ,

H0 :   =8.6

Ha : >8.6

b.

H1 : μ > 8.6 secondS
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