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QUESTION 7 The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of 10 grams. If we select one box of cereal at random from this population, what is the probability that it will weigh greater than 900 grams? O 0.1587 O 0.9772 O 0.9544 O 0.8413 0.4772

QUESTION 7 The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of 10 grams. If we select one box of cereal at random from this population, what is the probability that it will weigh greater than 900 grams? O 0.1587 O 0.9772 O 0.9544 O 0.8413 0.4772

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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QUESTION 10 Given the length an athlete throws a hammer is a normal random variable with mean 50 feet and variance 5 feet, what is the probability he throws it: at most 55 feet? O 0.9772 0.9775 0.8413 0.9875
Transcribed Image Text:QUESTION 10 Given the length an athlete throws a hammer is a normal random variable with mean 50 feet and variance 5 feet, what is the probability he throws it: at most 55 feet? O 0.9772 0.9775 0.8413 0.9875
QUESTION 7 The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of 10 grams. If we select one box of cereal at random from this population, what is the probability that it will weigh greater than 900 grams? 0.1587 0.9772 0.9544 0.8413 0.4772 QUESTION 8 Given that X is a normal random variable, the probability that a given value of X is less than its mean by at least one standard deviation is 0.25 0.1587 0.0228 0.1841 0.0668 QUESTION 9 For a normal population with a mean of 10 and a variance 4, the P(X < 16) is _. 0.6915 0.9987 0.8413 0.9772
Transcribed Image Text:QUESTION 7 The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of 10 grams. If we select one box of cereal at random from this population, what is the probability that it will weigh greater than 900 grams? 0.1587 0.9772 0.9544 0.8413 0.4772 QUESTION 8 Given that X is a normal random variable, the probability that a given value of X is less than its mean by at least one standard deviation is 0.25 0.1587 0.0228 0.1841 0.0668 QUESTION 9 For a normal population with a mean of 10 and a variance 4, the P(X < 16) is _. 0.6915 0.9987 0.8413 0.9772
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