Americans (on average) individually eat 16 pounds of seafood each year with a standard deviation of 7 pounds.  James samples 40 Americans and finds and average of 14 pounds. How likely is it to get an average of 14 pounds if he had a representative sample?

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A: Fir a left tail test ,if p value <alpha ,we reject the null hypothesis

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A: Given  Population mean μ=13, population standard deviation σ=2.5  P(X>x)=76% =0.76  

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Q: The following are scores of students in their quiz: 1, 2, 3, 4,5. 1. Compute the population mean (µ)...

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Q: A sample of size n=27 is used to conduct a significance test for Ho: µ=75 versus Ha: µ > 75. The tes...

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