Question

In: Statistics and Probability

Assume that x has a normal distribution with the specified mean and standard deviation. Find the...

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)

μ = 4; σ = 2

P(3 ≤ x ≤ 7) =

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)

μ = 22; σ = 4.4

P(x ≥ 30) =

Solutions

Expert Solution

Solution-

1)

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)

μ = 4; σ = 2

P(3 ≤ x ≤ 7) = 0.6247

◆ Probability calculation-

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2)

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)

μ = 22; σ = 4.4

P(x ≥ 30) = 0.0345

◆ probability calculation-

orchestra answered 1 year ago
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