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Normal Distributions Review

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Presentation on theme: "Normal Distributions Review"— Presentation transcript:

1 Normal Distributions Review
Probability & Statistics Sections 5.1 – 5.3

2 For the normal curve, find the z-score that corresponds to the third quartile.
.67

3 According to the Emperical Rule, in the bell-shaped distribution, what percent of the data is within one standard deviation of the mean? 68

4 Find the area of the shaded region under the standard normal curve if z = -1.2
.1151 z

5 Find the area of the shaded region under the standard normal curve if z = 1.75
.0401

6 Scores for a civil service exam are normally distributed, with a mean of 75 and a standard deviation of 6.5. To be eligible for employment, you must score in the top 5%. What is the lowest score you can earn and still be eligible for employment? (round answer to nearest hundredth) 85.69


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