QUESTION 21 Marketers believe that less 67% of adults in UAE own an iPhone. The appropriate null and alternative hypotheses are Ho: p ≤ 0.67 vs Ha: p > 0.67. O Ho: p20.67 vs H:p<0.67. Ho:p>0.67 vs H: p≤ 0.67. O Ho: p=0.67 vs H₂: P# 0.67.

Q: Write a short note on the importance of random sample.

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Q: Q. 60 What are the main differences between cluster sampling and stratified sampling?

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A: Given,n=1000p=0.03q=1-0.03=0.97

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Q: What do you understanding by a distribution function?

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Q: Question # 6. A regional retailer would like to determine variation in average monthly store sales…

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Q: A simple random sample of size n is drawn. The sample mean, x, is found to be 19.4, and the sample…

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Q: Define marginal probability density function.

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Q: What formula is used to find the standard error of mean?

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Q: What formula is used to find the standard error of mean?

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Q: You plan to investigate how well hours of study times predict the quiz scores determine IV,…

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Q: Judy

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Q: What is circular systematic sampling?

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Q: State Cauchy-Schwartz inequality on expectation.

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Q: 18. Define I(a, b) = ª exp(-a²u²_b²u^²) du for a, b>0. Show that (a) 1(a, b) = a¹1(1, ab), (c) 1(a,…

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Q: Define joint raw moments for bivariate distribution.

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Q: 2. A case-control (or retrospective) study was conducted to investigate a relationship between the…

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