JWitte_Module3_Week3Assignment_102316.docx

# JWitte_Module3_Week3Assignment_102316.docx - Name_Jordan...

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Name:_Jordan Witte_____ Module 3 Homework Assignment 1. Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution or neither. The sample data appear to come from a normally distributed population with σ = 28. Explain. Claim: μ = 977. Sample data: n = 25, ´ x = 984, s = 25. Explain. Solution: The hypothesis test involves a sampling distribution of means that is a normal distribution (Z). This is based on the data gathered that shows the values for the size of sample pool, mean and standard deviation. This data is used for the normally distributed population. Instructor Comments: 2. In a sample of 100 M&M’s, it is found that 8% are brown. Use a 0.05 significance level to test the claim that of the Mars candy company that the percentage of brown M&M’s is equal to 13%. Identify the null and alternative hypotheses. Solution: Null Hypothesis Formula: H0: P = .13 Alternative Hypothesis Formula: Hα: P ≠ .13 Our claim is the null hypothesis formula represented above. With a 95% confidence level,

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