Standard Normal Probability Assignment

Standard Normal Probability Assignment

Instructions/Descriptions

Standard Normal Probability Assignment

Standard Normal Probability Assignment

Find the probability a randomly selected z-score is:

1. Less than –0.19

P (z < –0.19) = _____ (decimal)

2. Greater than –0.84

P (z > –0.84) = _____ (decimal)

3. Between –3.90 and 2.00

P (–3.90 < z < 2.00) = _____ (decimal)

4. Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage.

About _____% of the area is between z = –1 and z = 1.

5. Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage.

About _____% of the area is between z = –2 and z = 2.

6. Assume the graph is a standard normal distribution Assume the graph is a standard normal distribution with a μ = 0 and a σ = 1, find the area of the shaded region.

The area of the shaded region is __________.

7. Assume the graph is a standard normal distribution Assume the graph is a standard normal distribution with a μ = 0 and a σ = 1, find the area of the shaded region.

The area of the shaded region is __________.

8. Assume the graph is a standard normal distribution with a μ = 0 and a σ = 1, find the indicated z-score.

The indicated z-score is __________.

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Standard Normal Probability Assignment

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