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Experimental Approach to Probability

Question 15 i...

Question

Question 15 (i)
Five cards – ten, jack, queen, king and ace of diamonds, are well-shuffled with their face downwards. One card is then picked up at random. What is the probability that the card is the queen?

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Solution

Total number of outcomes = 5
There is only one queen.
$∴$ Favourable outcome = 1
Hence, P(getting a queen) = $\frac{1}{5}$

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Q. Question 15 (ii)
Five cards – ten, jack, queen, king and ace of diamonds, are well-shuffled with their face downwards. One card is then picked up at random. If the queen is drawn and put aside, what is the probability that the second card picked up is (a) an ace? (b) a queen?

Q. Five cards - the ten, jack, queen , king and ace of diamonds are well-shuffled with their face downwards. One card is then picked up at random.

(i)

What is the probability that the card is jack?

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If the king is drawn and put aside, what is the probability that the second card picked up is

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(b)

Five cards−−the ten, jack, queen, king and ace of diamonds, are well-shuffled with their face downwards. One card is then picked up at random.

(i) What is the probability that the card is the queen?

(ii) If the queen is drawn and put aside, what is the probability that the second card picked up is (a) an ace? (b) a queen?

Q. Five cards−ten, jack, queen, king, and an ace of diamonds are shuffled face downwards. One card is picked at random.

(i) What is the probability that the card is a queen?

(ii) If a king is drawn first and put aside, what is the probability that the second card picked up is the ace?

Five cards the ten , jack , queen , king and ace of diamonds are well shuffled with their faces downwards,

1

card is then picked up at random

(i)

what is the probability that drawn card is a queen ?

(i i)

If the queen is drawn and put aside and a second card is drawn. find the probability that the second card is an ace , a queen ? explain

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Experimental Approach to Probability

Standard VII Mathematics

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