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A state biologist is investigating whether the proportion of frogs in a certain area that are bullfrogs has increased in the past ten years. The proportion ten years ago was estimated to be 0.20. From a recent random sample of 150 frogs in the area, 36 are bullfrogs. The biologist will conduct a test of Ho : p= 0.20 versus Ha :p> 0.20. Which of the following is the test statistic for the appropriate test? 0.20 0.24 A (0.24)(0.76) 0.20-0.24 (0.20)(0.80) 0.24 0.20 (0.24)(0.76) 0.24 0.20 (0.20)(0.80) 0.24 0.20 (0.20)(0.80)

A state biologist is investigating whether the proportion of frogs in a certain area that are bullfrogs has increased in the past ten years. The proportion ten years ago was estimated to be 0.20. From a recent random sample of 150 frogs in the area, 36 are bullfrogs. The biologist will conduct a test of Ho : p= 0.20 versus Ha :p> 0.20. Which of the following is the test statistic for the appropriate test? 0.20 0.24 A (0.24)(0.76) 0.20-0.24 (0.20)(0.80) 0.24 0.20 (0.24)(0.76) 0.24 0.20 (0.20)(0.80) 0.24 0.20 (0.20)(0.80)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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A state biologist is investigating whether the proportion of frogs in a certain area that are bullfrogs has increased in the past ten years. The proportion ten years ago was estimated to be 0.20. From a recent random sample of 150 frogs in the area, 36 are bullfrogs. The biologist will conduct a test of Ho : p= 0.20 versus Ha :p> 0.20. Which of the following is the test statistic for the appropriate test? 0.20 0.24 A (0.24)(0.76) 0.20-0.24 (0.20)(0.80) 0.24 0.20 (0.24)(0.76) 0.24 0.20 (0.20)(0.80) 0.24 0.20 (0.20)(0.80)
Transcribed Image Text:A state biologist is investigating whether the proportion of frogs in a certain area that are bullfrogs has increased in the past ten years. The proportion ten years ago was estimated to be 0.20. From a recent random sample of 150 frogs in the area, 36 are bullfrogs. The biologist will conduct a test of Ho : p= 0.20 versus Ha :p> 0.20. Which of the following is the test statistic for the appropriate test? 0.20 0.24 A (0.24)(0.76) 0.20-0.24 (0.20)(0.80) 0.24 0.20 (0.24)(0.76) 0.24 0.20 (0.20)(0.80) 0.24 0.20 (0.20)(0.80)
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