Home › CBSE Class 11 (Commerce) › Mathematics › Probability › A card is drawn from ten cards numbered 1 to 10.…
A card is drawn from ten cards numbered 1 to 10. P(2, 4, 6 or 8) is
A3/5
B2/5
C1/2
D4/5
Answer & Solution
Correct answer: B. 2/5
Four of the ten equally likely cards qualify, so 4/10 = 2/5.
Related questions
If P(A) = 0.6 and P(B) = 0.7, the smallest possible P(A and B) isA bag has 5 red, 3 green and 2 yellow marbles. P(red or yellow) isTwo dice are thrown. P(first die is 6 and sum is at least 11) isTwo fair dice are thrown. P(sum greater than 11) isTwo fair coins are tossed. P(exactly one head) isA fair die is rolled. P(a number less than 3) isIn P(A) + P(B), the sample points of A and B together are countedIf P(A) = 0.5, P(B) = 0.6 and P(A or B) = 0.8, then P(A and B) is