Q. 103.5( 6 Votes )
In a lottery of 50 ticket bears a prime numbered 1 to 50, one ticket is drawn. Find the probability that the drawn ticket bears a prime number.
Answer :
Total number of possible outcomes, n(S) = 50
Number of events of getting a prime number, N(E) = 15
Probability, 
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PREVIOUSA card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is(i) a black king(ii) either a black card or a king(iii) black and a king(iv) a jack, queen or a king(v) neither a heart nor a king(vi) spade or an ace(vii) neither an ace nor a king(viii) neither a red card nor a queen.(ix) other than an ace(x) a ten(xi) a spade(xii) a black card(xiii) the seven of clubs(xiv) jack(xv) the ace of spades(xvi) a queen(xvii) a heart(xviii) a red card(xix) neither a king nor a queenNEXTAn urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.
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RELATED QUESTIONS :
Which of the following amongst the given options cannot be the probability of an event:
(i) 1.01 (ii) 67%
(iii) -0.5 (iv) 
(v) 0.3
KC Sinha - Mathematics