7.Condom Failure Rate According to the Department of Health and Human Services, the failure rate for male condoms is 18%. The accompanying table is based on the failure rate of 18%, where x represents the number of condoms that fail when six are tested.

a. Does the table describe a probability distribution? Why or why not?

b. Assuming that the table does describe a probability distribution, find its mean.

c. Assuming that the table does describe a probability distribution, find its standard deviation.

d. If 6 condoms are tested and 5 of them fail, is 5 a significantly high number of failures? Why or why not?

e. What does the symbol 0+ represent?