The distribution of grade point average for students at a large high school is skewed to the left with a mean of 3.53 and a standard deviation of 1.02. a. Describe the shape of the sampling distribution of x¯ for SRSs of size n = 4 from the population of students at this high school. Justify your answer. b. Describe the shape of the sampling distribution of x¯ for SRSs of size n = 50 from the population of students at this high school. Justify your answer.

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A: It is given that the z-score is 1.81.

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A: μ1=0.78, σ1=0.15μ2=0.74, σ2=0.13

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A: Given   x=μ+1.76 σ   ∴z=1.76 ∵1.76 SD  above mean       n=420 women

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A: From the provided information, Joan’s finishing time for the Bolder Boulder 10k race was 1.78…

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A:

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A: L

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A: Given: n = 241 p = 0.6 Formula Used: Mean = np Variance = np(1-p) Standard deviation = np(1-p)

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A: It is given that the mean is 25 and the standard deviation is 6.5.

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A:

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A: Solution: Given information: x =17.7 Sample mean s= 4.3 Sample standard deviation

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A: Let X: the distance it will shoot hot dogs. X is normally distributed.i.e. X~N(μ,σ2)where,…

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A: Solution: x (x-x) (x-x)2 1.18 0.2362 0.05579 1.35 0.4062 0.164998 0.57 -0.3738 0.139726…

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Q: Suppose that the middle 95% of average scores in the NBA per player per game fall between 2.01 and…

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Q: Find the proportion of Normally distributed observations with a z-score below 0.82. Give your answer…

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Q: boulder 10k race was 1.78 standard deviations faster than women's average group. 405 women ran ,…

A: Given See the handwritten solution

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