For a certain dog breed, the number of puppies in a litter typically varies from 2 to 6. The following table shows the probabili
ty 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
What is the variance of the distribution?
a. 1.12
b. 1.25
c. 1.41
d. 1.58
e. 2.25
1 answer:
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