A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is (1/7) and the probability of wife's selection is (1/5). What is the probability
A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is (1/7) and the probability of wife's selection is (1/5). What is the probability
A). 2/7
B). 1/7
C). 3/4
D). 4/5
1 answers
Other Questions
1. A box contains red, green and blue colored balls. When one ball is drawn randomly from the box, the probability that it is either green or blue is 2/3. Also, the probability that the ball drawn randomly from the box is either red or green is 3/5. When two balls are drawn randomly from the box, the probability that both balls are of green color is 1/15. Find the total number of balls in the box.
2. 10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.
3. Binomial distribution has parameters
4. Given below are two quantities named A & B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers.
A bucket has 4 Blue balloons, 6 Red balloons & 3
5. I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number?
6. If a box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains no defective bulbs.
7. A room contains 3 red, 5 green and 4 blue chairs. Two chairs are picked and are put in the lawn. What is the probability that none of the chairs picked is blue?
8. A bag contains 6 blue and 5 yellow balls. 4 balls are drawn successively without replacement. What is the probability that the balls are alternately of different colours?
9. Two dice are thrown together .What is the probability that the sum of the number on the two faces is divided by 4 or 6.
10. In which approach to probability the outcomes are equally likely to occur?
