Suppose that the distribution of weights of 1000 New Zealand hamsters is distributed normal with mean 63.5 grams and standard deviation 12.2 grams. 34) How many of them weigh less than 75 grams?
Suppose that the distribution of weights of 1000 New Zealand hamsters is distributed normal with mean 63.5 grams and standard deviation 12.2 grams. 34) How many of them weigh less than 75 grams?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Suppose that the distribution of weights of 1000 New Zealand hamsters is distributed normal
with mean 63.5 grams and standard deviation 12.2 grams.
34) How many of them weigh less than 75 grams?
35) How many of them weigh 80 grams or more?
36) How many weigh between 50 and 60 grams?
37) How much does a New Zealand hamster have to weigh to weigh more than 95% of the
other hamsters?
38) How much does a New Zealand weigh if it weighs less than 20% of the other hamsters?
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