What percentage of the area under the normal curve

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1.What percentage of the area under the normal curve lies as given below?

(a) to the right of μ (Enter an exact number.)

(b) between μ - 2σ and μ + 2σ (Enter an exact number.)

(c) to the right of μ + 3σ (Enter a number. Use 2 decimal places.)

2. Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Enter a number. Round your answer to four decimal places.)

The area to the left of z = 0.44 is

3. 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 = 6; σ = 2

P(5 ≤ x ≤ 8) =

4. 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 = 24; σ = 4.4

P(x ≥ 30) =

Reference no: EM132581509

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