What is the z-score of x = 9 if it is 1.5 standard deviations to the left of the mean? a. z= + 1.50 b. z = - 1.50 C. Z = 0 d. z = None of the above

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Q: 1. Suppose a distribution has a mean µ = 2 and standard deviation o = 6. What is the value of x if i...

A: Mean(μ)=2standard deviation(σ)=6z=3.00

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A: Given: Mean = 700 Standard deviation = 30

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A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve only the first t...

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A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

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A: It is given that Power of test = 0.812