Advertisements
Advertisements
Question
Frame two problems in calculating probability, based on the spinner shown here.
Solution
(i) What is the probability that the spinner will get an odd number?
(ii) What is the probability that the spinner will not land on a multiple of 2?
APPEARS IN
RELATED QUESTIONS
The probability that a number selected at random from the numbers 1, 2, 3, ..., 15 is a multiple of 4, is
`(A)4/15`
`(B)2/15`
`(C)1/5`
`(D)1/3`
In a single throw of a pair of different dice, what is the probability of getting a total of 9 or 11?
Cards numbered from 11 to 60 are kept in a box. If a card is drawn at random from the box, find the probability that the number on the drawn card is a prime number less than 20.
A bag contains cards numbered from 1 to 49. A card is drawn from the bag at random, after mixing the cards thoroughly. Find the probability that the number on the drawn card is multiple of 5.
Two coins are tossed simultaneously. Find the probability of getting at least one head.
A box contains 20 cards numbered from 1 to 20. A card is drawn at random from the box. Find the probability that the number on the drawn card is a prime number
A die is thrown once. What is the probability of getting a number greater than 4?
If three coins are tossed simultaneously, then the probability of getting at least two heads, is
In a lottery there are 10 prizes and 25 blanks. What is the probability of getting a prize?
A jar contains 54 marbles, each of which some are blue, some are green and some are white. The probability of selecting a blue marble at random is `1/3` and the probability of selecting a green marble at random is `4/9`. How many white marbles does the jar contain?
