A cricket club has 15 members, of whom only 5 can bowl. If the names of 15 members are put into a box and 11 are drawn at random, then the probability of getting an eleven containing at least 3 bowlers is
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One card is drawn from a well shuffled deck of 52 cards. If each outcome is equally likely, calculate the probability that the card will be(i) a diamond (ii) not an ace(iii) a black card (i.e., a club or. a spade) (iv) not a diamond(v) not a black card.
Find the sample space associated with the experiment of rolling a pair of dice (one is blue and the other red) once. Also, find the number of elements of this sample space.
Find the probability that a leap year will have 53 Friday or 53 Saturdays.
A pack of playing cards was found to contain only 51 cards. If the first 13 cards, which are examined are all red, then the probability that the missing card is black is :-
A coin is tossed three times in succession. If E
is the event that there are at least two heads and F
is the event in which first throw is a head, then find P(E/F)˙
Find the probability of getting more than 7 when two dice are rolled.
Probability that A speaks truth is 54 . A coin is tossed. A reports that a head appears. The probability that actually there was head is (A) 54 (B)21 (C) 51 (D) 52
A and B are two events such that P(A)=0.54, P(B)=0.69and P(A∩B)=0.35.Find (i) P(A∪B) (ii) P(Aprime∩Bprime) (iii) P(A∩Bprime) (iv) P(B∩Aprime)