In a study of cell phone usage and brain
hemispheric dominance, an Internet survey was e-mailed
to 6977 subjects randomly selected from an online group involved
with ears. There were 1303 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.
E. H0: p=0.2
H1: p<0.2
Your answer is correct.
Part 2
The test statistic is z=____ enter your response here.
(Round to two decimal places as needed.)
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6977 subjects rando
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In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6977 subjects rando
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