Question
Two dice are rolled. What is probability that sum is at
least 10?Solution
Favorable sums: 10, 11, 12 (4+2+1) = 7 outcomes Total = 36 Probability = 7/36
The probability that Aarav passes the exam is (3/8) and the probability that Meera fails the exam is (3/5). If both Aarav and Meera give the exam, then ...
A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect squ...
If the letters of the word HORIZON be arranged at random, what is the probability that vowels are not together?
- If Ravi lies 4 out of 10 times and Vikram lies 6 out of 10 times, what is the probability that Ravi and Vikram will agree with each other?
A bag has 5 red, 4 blue, 3 green balls. Two balls are drawn without replacement. Find probability that both are of the same color.
A die is biased in such a way that if thrown once, then the probability of getting an odd number on the die is (1/5) more than the probability of gettin...
A bag contains 4 red, 5 blue, and 3 green balls. Two balls are drawn one by one without replacement. If it is given that at least one ball drawn is blue...
14 defective fans were accidentally mixed with 126 non-defective fans. One fan is randomly selected. Find the probability that it is a defective fan.
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find...
- Raman has three children and he truthfully says, "at least one of my children is a girl." What is the probability that all of his children are girls?
