Question

The weights, in pounds, of Portuguese Water Dogs are normally distributed with mean 45 and standard deviation 3.a) If one dog is selected at random, find the probability that his weight is within 1 pound of the mean weight of 45.b) If 40 dogs are randomly selected, find the probability the sample mean weight is within 1 pound of the mean weight of 45.c) If 80 dogs are randomly selected, find the probability that the sample mean weight is greater than 47 pounds.

Name: the weights in pounds of portuguese water dogs are normally distributed with mean 45 and standard deviation 3a if one dog is selected at random find the probability that his weight is within 74547
Uploaded: 2023-01-05T20:53:54-08:00
Duration: 5 min 51 s
Channel: Anna D.
Description: the weights in pounds of portuguese water dogs are normally distributed with mean 45 and standard deviation 3a if one dog is selected at random find the probability that his weight is within 74547

          The weights, in pounds, of Portuguese Water Dogs are normally distributed with mean 45 and standard deviation 3.a) If one dog is selected at random, find the probability that his weight is within 1 pound of the mean weight of 45.b) If 40 dogs are randomly selected, find the probability the sample mean weight is within 1 pound of the mean weight of 45.c) If 80 dogs are randomly selected, find the probability that the sample mean weight is greater than 47 pounds.

Added by Victoria P.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Anna D.

01/05/2023

Step 1

The mean weight of 45 is 48.5 pounds. Show more…

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The weights, in pounds, of Portuguese Water Dogs are normally distributed with mean 45 and standard deviation 3.a) If one dog is selected at random, find the probability that his weight is within 1 pound of the mean weight of 45.b) If 40 dogs are randomly selected, find the probability the sample mean weight is within 1 pound of the mean weight of 45.c) If 80 dogs are randomly selected, find the probability that the sample mean weight is greater than 47 pounds.