A manufacturer knows that their items have a lengths that are skewed right, with a mean of 15.2 inches, and standard deviation of 3.1 inches. If 48 items are chosen at random, what is the probability that their mean length is greater than 14.5 inches? (Round answer to four decimal places)

Q: If eight distince dice are rolled, what is the probability that all six numbers are rolled?

A: If 8 distinct dice are rolled than the possible out comes are 68 .

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A: It is given that Sophomores = 18Juniors = 12Seniors = 10

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A:

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A: From the provided information,The cumulative area is 0.4708.

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A: X and Y are independent random variables, which are jointly continuous.

Q: pay an amount of money M if some event A occurs within a year. If the insurance company estimates…

A:

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A: How students studyMorningBetween classEveningTotalStudy in grp49720Study in alone96722Total13151442

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A: f(x)=c(64-x2); 0≤x≤8

Q: What is o ? XY

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A: It is given that Total number of letters = 12Number of letters to be chosen = 3

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A:

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A: It is needed to define whether the given variable is discrete or continuous.

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Q: Help: Suppose X ∼ Unif(a, b). Find Var(X).

A: Suppose X ∼ Unif(a, b).

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Q: A bag contains 50 red marbles, 20 white marbles, and 30 black marbles. If you select a handful of…

A: There is total 50 red marbles, 20 white marbles, and 30 black marbles.