Question

From a sample with n=8, the mean number of televisions per household is 4 with a standard deviation of 1 television. Using Chebychev’s Theorem, determine at least how many of the households have between 2 and 6 televisions.

Answer 1

8 households, at least

3

4

×

8

=

6

4

3

​

×8=6 households will have between 2 and 6 televisions.

Explanation:

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