
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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How do I solve these using a TI-84 Plus calculator? I need to be shown what to put into my calculator to solve.

Transcribed Image Text:1. The scores for a standardized test are normally distributed with a mean of 85 and a standard deviation of 5.3
a. If you are told that you are in the 70th percentile, what is your test score? (round 2 places)
b. If you are told that you are in the 20th percentile, what is your test score? (round 2 places)
C.
If you are told that you are in the 5th percentile, what is your test score? (round 2 places)
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