A three-member committee is selected randomly from a group consisting of three men and two
women. Find the probility that the committe mebers are not all men
28. From a group consisting of 8 married couples, one man and one woman are to be
selected. The probability that the man and woman selected are husband and wife if the
selection is equally likely is
(a) 5%
(b) 50%
(c) 12.5%
(d) 8.5%
29. A survey at a big mall in a city showed that 19 % of the people visiting the mall carried
the American Express card, 43% percent carried a VISA credit card, and 7% carried both.
The probability of a randomly selected person carrying at least one of the cards is
(a) 69%
(b) 50%
(c) 55%
(d) 7%
1 answer
1 answer