The makers of Skittles claim that 20% of Skittles candies are orange. You select a random sample of 20 Skittles from a large bag. Let X = the proportion of orange Skittles in the sample. Calculate the standard deviation of the sampling distribution of p-hat:   round to three places past the decimal

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A: In a college class, the average IQ is 115. Assume that the distribution is normal and that the…

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A: GivenMean(μ)=1457standard deviation(σ)=315

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Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

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A: Z score= (X-mu)/sigma. Here mean, mu= 1471 And sigma, = 317

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A: The z-score of a random variable X is defined as follows: z = (X – µ)/σ. Here, µ and σ are the mean…