Home
Class 12
MATHS
A box contains tickets numbered from 1 t...

A box contains tickets numbered from 1 to 20. Three tickets are drawn from the box with replacement. The probability that the largest number on the tickets is 7 is

A

`2//19`

B

`7//20`

C

`1-(7//20)^(3)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

In a lottery of 50 tickets numbered from 1 to 50,two tickets are drawn simultaneously.Find the probability that :None of the tickets drawn has prime number.

A box contains 3 red and 4 blue balls. Two balls are drawn one by one without replacement. Find the probability of getting both balls red.

In a lottery of 50 tickets numbered from 1 to 50,two tickets are drawn simultaneously.Find the probability that : Both the tickets drawn have prime numbers.

A box contains 6 red, 5 blue and 4 green balls. 3 balls are drawn from the box. Find the probability that Atleast one green ball.

A box contains 5 white, 7 red and 8 black balls. If four balls are drawn by one with replacement what is the probability that All are white?

Tickets numbered from 1 to 20 are mixed up together and then a ticket is drawn at random. What is the probability that the ticket has a number which is a multiple of 3 or 7 ?

20 cards numbered1,2,3,4,..,19, 20 are put in a box.One boy draws a card from the box.Find the probability that the number on the card is:Prime.

A box contains 6 red, 5 blue and 4 green balls. 3 balls are drawn from the box. Find the probability that All are blue.