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(a) Probability of the pointer stopping on D in (Question 1 − (a))?
(b) Probability of getting an ace from a well shuffled deck of 52 playing cards?
(c) Probability of getting a red apple. (See figure below)
Asked by Praseem Last Modified
Answer (i) The pointer can stop at one of the following regions.
A, A, B, C, D
Out of these 5 cases, it is possible only in 1 case that the pointer will stop at region D.
Therefore, probability that the pointer will stop at region D = 
(ii) There are 52 cards in a deck of cards and there are 4 ace cards in 1 deck of cards.
Probability of getting an ace card = 
(iii) There are a total of 7 apples, out of which, 4 are red and 3 are green.
Probability of getting a red apple = 
(a) A,A,B,C,D are the events occurring.
probability of occurring B=number of events of B/total number of events=1/5=0.2
(b)A well-shuffled deck of cards containing a total of 52 cards, out of which four cards are ace
probability of getting an ace from a well-shuffled pack=number of ace cards/total number of cards
=4/52=1/13
(c)number of red apples=4
number of green apples=3
total number of apples=4+3=7
probability of getting red apple=number of red apple/total number of apples=4/7
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