ACT Composite Scores Use the normal distribution in Exercise 14. (a) What percent of the ACT composite
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ACT Composite Scores Use the normal distribution in Exercise 14.
(a) What percent of the ACT composite scores are less than 16?
(b) Out of 1000 randomly selected ACT composite scores, about how many would you expect to be greater than 23?
Answer the questions about the specified normal distribution.
Data from Exercises 14
A member is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded region of the graph. Assume the variable x is normally distributed.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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