It is known that 62% of households in a neighborhood have cable TV. A sample of 8 houses was selected at random. Assuming that this procedure yields a binomial distribution, find the mean and the standard deviation for the number of househ10. Refer to Question 9. If in a sample of 8 houses selected at random only 3 houses had cable TV, can it be considered an unusually small number? Justify your answer.olds in this sample who have cable TV.