A sample of 12 measurements has a mean of 24 and a standard deviation of 2.25. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 24 each. Find the mean of the sample of 14 measurements. Find the standard deviation of the sample of 14 measurements. s =

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A: Hey there! Thank you for posting the question.  Since you have posted a question with multiple…

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A: Given that, Mean (M) =75 Standard deviation (s) = 15

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A: Mean = 50 Standard deviation = 10

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Q: For samples of the specified size from the population described, find the mean and standard…

A: From the provided information, Mean (µ) = 75 Standard deviation (σ) = 14 X~N (75, 14)

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Q: Suppose the scores on an exam have a mean of 60 with a standard deviation of 10. If one student has…

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Q: solve for t.

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A: We have given that  X~N(mu,sigma^2) mu=73  , sigma = 9  ,Z-socre =5.019 Z-socre =(x-mu)/sigma

Q: with a mean of 50 and a standard deviation of 10 P(x<54)

A: Given that  Mean = M = 50 Standard deviation = SD = 10

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A: We have given that  Mean = 70 Standard deviation = 6 Z-score, z = 5.19

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Q: Given that the mean μ=20 and the standard deviation σ=4, find P (x<25)

A: Given that. X~N( μ , ?2 ) μ = 20     , ? = 4 Z-score =( x - μ )/?

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