In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6997 subjects randomly selected from an online group involved with ears. There were 1305 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. Identify the null hypothesis and alternative hypothesis. O B. Ho p=0.2 H p+02 O A. Ho p+02 H p=02 OC. Ho: p<0.2 H p=02 OE Ho p=0.2 H p>02 OD. Ha p>0.2 H p=0.2 F. Hg p=0.2 H p<02 The test statistic is z= -2.82 (Round to two decimal places as needed) The P-value is (Round to three decimal places as needed) Enter your answer in the answer box and then click Check Answer Clear All Check Answer View an Example Get More Help- Help Me Solve This 7:30 PM A A 121/2021 Cips Tanspart SU-20-433
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6997 subjects randomly selected from an online group involved with ears. There were 1305 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. Identify the null hypothesis and alternative hypothesis. O B. Ho p=0.2 H p+02 O A. Ho p+02 H p=02 OC. Ho: p<0.2 H p=02 OE Ho p=0.2 H p>02 OD. Ha p>0.2 H p=0.2 F. Hg p=0.2 H p<02 The test statistic is z= -2.82 (Round to two decimal places as needed) The P-value is (Round to three decimal places as needed) Enter your answer in the answer box and then click Check Answer Clear All Check Answer View an Example Get More Help- Help Me Solve This 7:30 PM A A 121/2021 Cips Tanspart SU-20-433
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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Concept explainers
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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