Mathematics, 08.12.2020 06:00 jmcartwright00

For a certain dog breed, the number of puppies in a litter typically varies from 2 to 6. The following table shows the probability distribution of the random variable N, where N represents the number of puppies in a litter. Also shown are the squared deviations, or distances, from the expected value of 4.5 for the distribution. What is the variance of the distribution?
a. 1.12
b. 1.25
c. 1.41
d. 1.58
e. 2.25

For a certain dog breed, the number of puppies in a litter typically varies from 2 to 6. The follow

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