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In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6968 subjects randomly selected from an online group involved with ears. There were 1327 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the normal distribution as an approximation to the binomial distribution.

In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6968 subjects randomly selected from an online group involved with ears. There were 1327 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the normal distribution as an approximation to the binomial distribution.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 16E
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10.

 

b. Test statistic = ?

c. P-value = ? 

d. Reject/Accept null hypothesis ?

In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6968 subjects randomly selected from an online group involved with ears. There were 1327 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the normal distribution as an approximation to the binomial distribution.
Transcribed Image Text:In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6968 subjects randomly selected from an online group involved with ears. There were 1327 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the normal distribution as an approximation to the binomial distribution.
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