For a one-sample problem, suppose that n = 20, x = 315.9, and s = 22.9. The p-value for the hypotheses Ho : µ > 320 versus HA : µ< 320 is: а. A. P(t19 < -0.80) B. 2xP(t19 <0.80) C. 2 x P(t19 < -0.80) D. 2xP(t19 >0.80) E. P(t19 > -0.80) b. For a two-sided t-test, which of the following t-statistics would result in the largest p-value? A. 2.55 В.-2.55 C. 1.43 D. -1.33 Е. 3.22 For a one-sided t-test with HA : µ > 10, which of the following t-statistics would result in the largest p-value? С. A. 2.55 В. -2.55 С. 1.43 D. -1.33 Е. 3.22

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