Question

A large software company gives job applicants a test of programming ability, and the mean for the test has been 160 in the past. Twenty-five applicants are randomly selected from one large university and they produce a mean score of 165, with a standard deviation of 13. At a significance level of 0.05, does this indicate that the sample comes from a population with a mean score greater than 160? Group of answer choices No. With a P-value of 0.9336, we fail to reject the null hypothesis of μ=160. No. With a P-value of 0.0664, we fail to reject the null hypothesis of μ=160. Yes. With a P-value of 0.0332, we reject the null hypothesis of μ=160. No. With a P-value of 0.9668, we fail to reject the null hypothesis of μ=160. Yes. With a P-value of 0.0024, we reject the null hypothesis of μ=160.

          A large software company gives job applicants a test of programming ability, and the mean for the test has been 160 in the past. Twenty-five applicants are randomly selected from one large university and they produce a mean score of 165, with a standard deviation of 13.
At a significance level of 0.05, does this indicate that the sample comes from a population with a mean score greater than 160?
Group of answer choices
No. With a P-value of 0.9336, we fail to reject the null hypothesis of μ=160.
No. With a P-value of 0.0664, we fail to reject the null hypothesis of μ=160.
Yes. With a P-value of 0.0332, we reject the null hypothesis of μ=160.
No. With a P-value of 0.9668, we fail to reject the null hypothesis of μ=160.
Yes. With a P-value of 0.0024, we reject the null hypothesis of μ=160.

Added by Danny L.

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