Shade the approximate area that would represent the p-value for the alternative

Question

Shade the approximate area that would represent the p-value for the alternative hypothesis and z-score, then calculate the p-value. Round to the nearest thousandth. (a) The alternative hypothesis is right-tailed with a z-score = 0.21 (b) The alternative hypothesis is two-tailed with a z-score = -1.88 Two different students conduct a coin flipping experiment with a left-tailed alternative. They obtain the following test statistics: Student #1: z = -2.05 Student #2: z = -1.28 Which of the test statistics has a smaller p-value and why? Use complete sentences and be specific.

Explanation / Answer

1 a) shaded area will be on right of z=0.21

p value =0.4168

b)shaded area will be at left of z=-1.88 and at right of z=1.88

p value =0.0601

2)z=-2.05 will have smaller p value . as area covered on left of z=-2.05 is smaller then area covered on left of z=-1.28

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