Question

From a sample with n equals=24​, the mean number of televisions per household is 3 with a standard deviation of 1 television. Using​ Chebychev's Theorem, determine at least how many of the households have between 1 and 5 televisions.

Answer 1

Z = (score-mean)/SEm

SEm = SD/√n

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two values for the Z scores.

Answer 2

45

Answer 3

24