Suppose x has a distribution with μ = 30 and σ = 28. (a) If a...

Suppose x has a distribution with μ = 30 and σ = 28. (a) If a random sample of size n = 49 is drawn, find μx, σ x and P(30 ≤ x ≤ 32). (Round σx to two decimal places and the probability to four decimal places.) μx = σ x = P(30 ≤ x ≤ 32) = (b) If a random sample of size n = 67 is drawn, find μx, σ x and P(30 ≤ x ≤ 32). (Round σ x to two decimal places and the probability to four decimal places.) μx = σ x = P(30 ≤ x ≤ 32) = (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) The standard deviation of part (b) is part (a) because of the sample size. Therefore, the distribution about μx is.

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milcah answered 1 year ago

Suppose x has a distribution with μ = 28 and σ = 17. (a) If random...

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Suppose x has a distribution with μ = 30 and σ = 29. (a) If a...

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Suppose x has a distribution with μ = 30 and σ = 23. (a) If a...

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Suppose x has a normal distribution with mean μ = 28 and standard deviation σ =...

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Suppose x has a distribution with μ = 11 and σ = 6. (a) If a...

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Suppose x has a distribution with μ = 25 and σ = 18. (a) If a...

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A. Suppose x has a distribution with μ = 23 and σ = 15. (a) If...

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Suppose x has a distribution with μ = 21 and σ = 15. (a) If a...

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Suppose x has a distribution with μ = 11 and σ = 10. (a) If a...

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Suppose x has a distribution with μ = 12 and σ = 8. (a) If a...

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