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In: Statistics and Probability

parts a,b,c Note: Make sure to draw a picture for the p-value problems and notate just...

parts a,b,c
Note: Make sure to draw a picture for the p-value problems and notate just like we did in HW #3
1. Amazon is devouring market share and taking no prisoners. A recent survey found that 42 out of 100 randomly selected individuals in LA purchased the majority of their electronics on Amazon in 2019. Walmart claims that Amazon hasn’t captured the majority of electronics market share in LA and wants to test if the true percentage of Amazon’s market share was 50% or less in 2019.
(a) Using the obtained sample, conduct the appropriate hypothesis test for Walmart using the p-value method. Let P(I) = .05
(b) Create a 95% confidence interval for Amazon’s 2019 market share in LA using the obtained sample.
(c) Interpret the confidence interval in part b) within the con- text of this experiment

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orchestra answered 1 year ago
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