The expected value of a constant k is the constant
The probability distribution whose frequency function f(x)= 1/n( x = x1, x2, …, xn) is known as
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The no. of points obtained in a single throw of an unbiased die follow :
The no of points in a single throw of an unbiased die has frequency function
In uniform distribution random variable x assumes n values with
In a discrete random variable x follows uniform distribution and assumes only the values 8 , 9, 11, 15, 18, 20. Then P(x = 9) is
In a discrete random variable x follows uniform distribution and assumes only the values 8 , 9, 11, 15, 18, 20. Then P(x = 12) is
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P(x < 15) is
In a discrete random variable x follows uniform distribution and assumes only the values 8 , 9, 11, 15, 18, 20. Then P is
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P(x > 15) is
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P(|x – 14| < 5) is
In continuous probability distribution P means
In continuous probability distribution F(x) is called.
The probability density function of a continuous random variable is y = k(x–1), then the value of the constant k is
In continuous probability distribution P(x ≤ t) means
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P( x > 15) is
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P (x ≤ 15) is
The probability function of a continuous random variable is y = k ( x - 1), (1 ≤ x ≤ 2) then the value of the constant k is
The no of points in a single throw of an unbiased die has frequency function
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P(|x - 14| < 5) is
In a discrete random variable x follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20. Then P( = 9) is
The number of points obtained in a single throw of an unbiased die follows:
In uniform distribution random variable x assumes n values with
Out of 128 families with 4 children each, how many are expected to have at least one boy and one girl?
If a Poisson distribution is fitted to the following data:
Then the sum of the expected frequencies for x = 0, 1 and 2 is
If the weekly of 5000 workers in a factory follows normal distribution with mean and SD as Rs.700 and Rs.50 respectively, what is the expected number of workers with wages between Rs.660 and Rs.720?