In a study of cell phone usage and brain hemispheric dominance,
an Internet survey was e-mailed to 6957 subjects randomly selected
from an online group involved with ears. There were 1349 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.
Q - The test statistic is z =
Q - The P-value is
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6957 subjects rando
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In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6957 subjects rando
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