Question

In USA Today (Sept. 5, 1996) the results of a survey
involving the use of sleepwear while traveling were listed
as follows:
Male Female
Underwear 0.220 0.024 0.244
Nightgown 0.002 0.180 0.182
Nothing 0.160 0.018 0.178
Pajamas 0.102 0.073 0.175
T-shirt 0.046 0.088 0.134
Other 0.084 0.003 0.087
(a) What is the probability that a traveler is a female
who sleeps in the nude?
(b) What is the probability that a traveler is male?
(c) Assuming the traveler is male, what is the probability
that he sleeps in pajamas?

Answer 1

(d) What is the probability that a traveler is male if he sleeps in pajamas or a t-shirt