A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Weights of female cats of a certain breed are normally distributed with mean 4.3 kg and standard deviation 0.6
kg.
What proportion of female cats have weights between 3.7 and 4.4 kg?
A certain female cat has a weight that is 0.5 standard deviations above the mean. What proportion of female cats are
heavier than this one?
How heavy is a female cat whose weight is on the 80th percentile? Round the answer to three decimal places.
A female cat is chosen at random. What is the probability that she weighs more than 4.5 kg?
Six female cats are chosen at random. What is the probability that exactly one of them weighs more than 4.5 kg?

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