Use the normal distribution to the right to answer the questions. (a) What percent of the scores are less than 19? (b) Out of 1500 randomly selected scores, about how many would be expected to be greater than 21? (a) The percent of scores that are less than 19 is %. (Round to two decimal places as needed.)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Use the normal distribution to the right to answer the questions.
(a) What percent of the scores are less than 19?
(b) Out of 1500 randomly selected scores, about how many would
be expected to be greater than 21?
(a) The percent of scores that are less than 19 is %.
(Round to two decimal places as needed.)
Standardized Test Composite
Scores
A
19 21
Score
H = 20.2
o=5.4
Transcribed Image Text:Use the normal distribution to the right to answer the questions. (a) What percent of the scores are less than 19? (b) Out of 1500 randomly selected scores, about how many would be expected to be greater than 21? (a) The percent of scores that are less than 19 is %. (Round to two decimal places as needed.) Standardized Test Composite Scores A 19 21 Score H = 20.2 o=5.4
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