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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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2 years ago
A manufacturer of smartphone batteries will randomly select 20 batteries from the process each day and count the number of defects. Historically, 4% of the batteries produced by this company have been defective. The following data represent the frequency of defective batteries from a random sample of 200 days.



The manufacturer would like to test if the probability distribution for defective batteries follows the binomial distribution with p = 0.04 and n = 20 using α = 0.05. The critical value for this hypothesis test is ________.

▸ 5.991

▸ 7.815

▸ 9.448

▸ 11.070
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
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