Find the mean of the following probabili...

Find the mean of the following probability distribution: `X=x_i :\ \ 1 \ \ 2 \ \ 3` `\ P(X=x_i):1/4 \ \ 1/8 \ \ 5/8 \ \ ` .

Text Solution

AI Generated Solution

Topper's Solved these Questions

MAXIMA AND MINIMA
RD SHARMA ENGLISH|Exercise All Questions|309 Videos
MEAN VALUE THEOREMS
RD SHARMA ENGLISH|Exercise All Questions|134 Videos

Similar Questions

Explore conceptually related problems

Find the mean and standard deviation of the following probability distribution: x_i :0 \ \ 1 \ \ 2 \ \ 3 \ \ 4 \ \ 5 p_i :1/6 \ \ 5/(18) \ \ 2/9 \ \ 1/6 \ \ 1/9 \ \ 1/(18)

A random variable X has the following probability distribution: X=x_i :\ 1 \ \ 2 \ \ 3 \ \ 4 P(X=x_i):\ \ k \ \ 2k \ \ 3k \ \ 4k Write the value of P(X geq3) .

Find the mean and standard deviation of the following probability distribution: x_i :\ \ 1\ \ 2 \ \ 3\ \ 4 p_i :\ \ 0. 4\ \ 0. 3\ \ 0. 2\ \ 0. 1

Find the mean and standard deviation of the following probability distribution: x_i :-5\ -4\ \ 1\ \ 2 p_i :1/4\ \ 1/8\ \ 1/2\ 1/8

Find the mean and standard deviation of the following probability distribution: x_i :\ -1\ \ 0\ \ 1\ 2\ \ 3 p_i :\ \ 0. 3\ 0. 1\ 0. 1\ \ 0. 3\ 0. 2

Find the mean and standard deviation of the following probability distribution: x_i : \ -2 \ \ -1\ \ 0\ \ 1\ \ 2 p_i :\ \ 0. 1\ \ 0. 2 \ \ 0. 4\ \ 0. 2 \ \ 0. 1

Find the mean and standard deviation of the following probability distribution: x_i :-3\ \ -1\ 0\ \ 1\ \ 3 p_i :\ \ 0. 05\ \ 0. 45\ \ 0. 20\ \ 0. 25\ 0. 05

A random variable has the following probability distribution: X=x_i :\ \ 0 \ \ 1 \ \ 2 \ \ 3 \ \ 4 \ \ 5 \ \ 6 \ \ 7 P(X=x_i):0 \ \ 2p \ \ 2 p\ \ 3p\ \ p^2\ \ 2p^2 \ \ 7p^2 \ \ 2p The value of p is a. 1/10 b. -1 c. -1/10 d. 1/5

Write the values of a for which the following distribution of probabilities becomes a probability distribution: X=x_i :\ -2 \ \ -1 \ \ 0 \ \ 1 P(X=x_i):(1-a)/4 \ \ (1+2a)/4 \ \ (1-2a)/4 \ \ (1+a)/4 \ \

Find the mean and standard deviation of each of the following probability distribution: x_i :1\ \ 3\ 4\ 5 p_i : 0.4\ 0. 1\ 0. 2\ \ 0. 3

RD SHARMA ENGLISH-MEAN AND VARIANCE OF A RANDOM VARIABLE -All Questions

A die is tossed twice. A success is getting an odd number on a rand...
Text Solution
|
Three cards are drawn at random (without replacement) from a well shuf...
Text Solution
|
An urn contains 5 red 2 black balls. Two balls are randomly drawn, ...
Text Solution
|
Two numbers are selected are random (without replacement) from posit...
Text Solution
|
Write the values of a for which the following distribution of probabil...
Text Solution
|
Find the mean of the following probability distribution: X=xi :\ \ ...
Text Solution
|
In a single throw of a dice; if X denotes the number on its upper face...
Text Solution
|
If the probability distribution of a random variable X is given by X=x...
Text Solution
|
Find the mean of the following probability distribution: X=xi :\ \ 1 \...
Text Solution
|
If the probability distribution of a random variable X is as given bel...
Text Solution
|
A random variable X has the following probability distribution: X=xi :...
Text Solution
|
A random variable X has the following probability distribution: Values...
Text Solution
|
A random variable has the following probability ...
Text Solution
|
A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If...
Text Solution
|
A random variable has the following probability distribution: X=xi :\...
Text Solution
|
If X is a random variable with probability distribution as given below...
Text Solution
|
The probability distribution of a discrete random variable X is given ...
Text Solution
|
For the following probability distribution: X :\ \ -4\ \ -3\ -2\ \ -1...
Text Solution
|
For the following probability distribution: X :\ 1\ 2\ \ 3\ 4 P(X):1/1...
Text Solution
|
Let X be the discrete random variable. Then the variance of X is (a). ...
Text Solution
|