Home
Class 12
MATHS
The expected value of the number of poin...

The expected value of the number of points, obtained in a single throw of die, is

A

`(3)/(2)`

B

`(5)/(2)`

C

`(7)/(2)`

D

`(9)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
(c)
Promotional Banner

Similar Questions

Explore conceptually related problems

Choose the correct answer The mean of the numbers obtained on throwing a die having written 1 on three faces, 2 on two faces and 5 on one face is

Let X represent the difference between the number of heads and the number of tails obtained when a coin is tossed 6 times. What are possible values of X?

Let x, represents the difference between number of heads and the number of tails obtained when a coin is tossed 6 times. What are posible values of x?

An experiment consists of rolling a die and then tossing a coin if the number on the die is even. If the number on the die is odd, the coin is tossed twice. Write the sample space for this experiment.

The probability of getting an even number, when a die is thrown once, is:

A die is thrown . Let A be the event that the number obtained is greater than 3 . Let B be the event that the number obtained is less than 5 . Then P(A cup B) is :

Consider the experiment of throwing a die, if a multiple of 3 comes up thrown tha die again and if any other number comes, toss a coin . Find the conditional probability of the event the coin shows a tail, given that atleast one die shows a 3 .

Four die are rolled. The number of ways in which atleast one die shows 3 , is

Find the probability distribution of the number of successes in two tosses of a die, where a success is defined as (i) number greater than 4 (ii) six appears on at least one die