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# 1. Please test hypothesis for a mean or for a proportion. Please state null and alternative...

1. Please test hypothesis for a mean or for a proportion. Please state null and alternative hypothesis

Hypothesized mean = 125, sample mean = 135, standard deviation = 15; n= 500, confidence level = 95%

2. Test Hypotheses of population percent = 33%， sample percent = 31%，n= 120， confidence level = 99%

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Answer #1 This is a test of a single mean

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