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A normal distribution has a mea that a randomly selected value, 36. P(x≤85)

A normal distribution has a mea that a randomly selected value, 36. P(x≤85)

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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36,37,38
A normal distribution has a mean of 75 and a standard deviation of 7. Find the probability that a randomly selected value, x, from the distribution is in the given interval. 36. P(x≤85) 37. P(x272) 38. P(83≤x≤95) A normal distribution has a mean of 256 and a standard deviation of 12.5. Find the probability that a randomly selected value, x, from the distribution is in the given interval. 41. P(x≤240) 39. P(x ≥263) 40. P(250≤x≤260)
Transcribed Image Text:A normal distribution has a mean of 75 and a standard deviation of 7. Find the probability that a randomly selected value, x, from the distribution is in the given interval. 36. P(x≤85) 37. P(x272) 38. P(83≤x≤95) A normal distribution has a mean of 256 and a standard deviation of 12.5. Find the probability that a randomly selected value, x, from the distribution is in the given interval. 41. P(x≤240) 39. P(x ≥263) 40. P(250≤x≤260)
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