4. 10 adults were randomly sampled and asked how many years of education they have. The sample mean was 15 with a standard deviation of 3. Find a 95% confidence interval for the true population mean years of education. Please write your confidence interval as an equation and in a sentence.

Q: d) Find E[X(2X² - 3) + 10].

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A:

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Q: Refer to these values from the previous step. N = 15, M = 9, n = 6, k = 6, N-M= 6, n-k = 0…

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A: Here use type of random variable. And for validity of function total probability always 1 .

Q: 112.3 97.0 92.7 86.0 102.0 99.2 95.8 103.5 89.0 86.7 74.5 71.1 58.2 48.8 74.2 73.3 68.4 59.5 58.0…

A: Data Set

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A: A candy dish containsNo. of brown M&M's=4No. of red M&M's = 3Total no. of M&M's=7

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A:

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Q: 1. The table below includes the height and weight measurements for a random sample of 18 female…

A: Height172165180169168166162170166162178164172170164167177171

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A: Mean()=21standard deviation()=5z-score=-0.6

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A: XY100140125150125180150220150180200330200270250390250420300440300400350610400600400680

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