detailed solution

1. If one card is drawn from a pack of 52 cards then what is the probability of drawing 5 or a diamond. 2. If a single die is rolled down then what is the probability of getting an odd number or a 4.. 3. A card is drawn at random from a well-shuffled deck of 52 cards. Find the probability that the card drawn is a king or an ace. Two dice are thrown and the sum of the numbers which come up on the dice is noted. Consider following events associated with this experiment. A : The sum is less than or equal to 3 B: The sum is greater than 11.72. A class consists of 12 boys and 15 girls. How many different committees of four can be selected from the class if each committee is to consist of two boys and two girls? 23. How many choices of 5 pocketbooks to read can be made from a set of nine pocketbooks? 24. Box A contains 7 balls and box B contains 16 balls. How many different selections of 10 balls each can be made if 3 balls are to be selected from box A and seven balls from box B? 25. Rowena would like to invite 7 friends to go on a trip but has room for only 4 of them. In how many ways can they be chosen