What is the probability that a number selected from the number 1 to 10 is not a prime number when each number is equally likely to be selected?
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A die is thrown once. Find the probability of getting (i) a prime number; (ii) a number lying between 2 and 6; (iii) an odd number.
Answer Possible numbers of events on throwing a dice = 6 Numbers on dice = 1,2,3,4,5 and 6 (i) Prime numbers = 2, 3 and 5 Favourable number of events = 3 Probability that it...
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If 2/11 is the probability of an event, what is the probability of the event ‘not A’
It is given that P(A) = 2/11. Accordingly, P(not A) = 1 – P(A) = 1 – 2/11 = 9/11
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In a single throw of a pair of different dice, what is the probability of getting (i) a prime number on each dice? (ii)a total of 9 or 11 ?
Total outcomes= 36 (i) Favourable outcomes are (2,2) (2,3) (2,5) (3,2)(3,3) (3,5) (5,2)(5,3) (5,5) i.e., 9 outcomes P(a prime number on each die)=9/36 or 1/4 (ii) Favourable outcomes are (3,6) (4,5) (5,4) (6,3) (5,6) (6,5)...
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One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card drawn is:
Out of 52 cards, one card can be drawn in 52 ways. So, total number of elementary events = 52 (i) There are four ace cards in a pack of 52 cards. So,...
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One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card drawn is:
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In a single throw of a pair of different dice, what is the probability of getting (i) a prime number on each dice? (ii) a total of 9 or 11.
Total outcomes = 36 (i) Favourable outcomes are (2, 2) (2, 3) (2, 5) (3, 2) (3,3) (3, 5) (5, 2) (5, 3) (5, 5) i.e., 9 outcome P (a prime number...
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A number x is selected at random from the numbers 1, 2, 3 and 4. Another number y is selected at random from the numbers 1, 4, 9 and 16.
x can be any one of 1, 2, 3 or 4. y can be any one of 1, 4, 9 or 16 Total number of cases of product of x and y...
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If an amount of Rs.198011 is distributed equally amongst 47 persons, how much amount would each person get ?
(c) Sum received by each person = Rs. (198011/47) = Rs. 4213
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An amount of Rs.50176 is distributed equally amongst 32 persons. How much amount would each person get?
(d) Amount received by each person =Rs. 50176/32= 1568
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If an amount of Rs.1,72,850 is equally distributed amongst 25 people, how much amount would each person get ?
(d) Amount received by each person 172850/25 = Rs.6914
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