Let p1 denote the hatching rate for the sun shaded group, and let p2 denote the hatching rate for the unshaded group. The researcher will test the hypotheses H0: p1-p2=0 vs Ha: p1 >p2 at a 5%level of significance. Find the p-value.

Let p1 denote the hatching rate for the sun shaded group, and let p2 denote the hatching rate for the unshaded group. The researcher will test the hypotheses H0: p1-p2=0 vs Ha: p1 >p2 at a 5%level of significance. Find the p-value.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

A researcher is studying the hatching rates of two groups of Pacific tree frog eggs. One group of eggs was shaded from the sun’s ultraviolet light, whereas the second group was not shaded from the sun’s ultraviolet light. The researcher believes he can demonstrate that the hatching rate for the shaded group is higher than the hatching rate for the exposed group.

		Sun Shaded group	Unshaded Group
Total in Group	75	90
Total Hatched	47	41

Let p₁ denote the hatching rate for the sun shaded group, and let p₂ denote the hatching rate for the unshaded group. The researcher will test the hypotheses

H₀: p₁-p₂=0 vs H_a: p₁ >p₂ at a 5%level of significance. Find the p-value.

Expert Solution