Shape of possion distribution depends upon?
A. On random variable X
B. Its parameter
C. Mean
D. Variance
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS
If p=q than the shape of binomial distribution?
If p=q than the shape of binomial distribution?
A. Positively skewed
B. Negative skwed
C. Symmeteric
D. No shape
If p=0.6 and q=0.4 than shape of the binomial distribution?
If p=0.6 and q=0.4 than shape of the binomial distribution?
A. Positively skewed
B. Negatively skewed
C. Symmetric
D. Bell shaped
The number of successes in fixed time interval follows?
The number of successes in fixed time interval follows?
A. Gamma distribution
B. Binomial distribution
C. Negative binomial dis
D. Possion distribution
The time interval between two successes follows?
The time interval between two successes follows?
A. Possion distribution
B. Exponential distribution
C. Gamma distribution
D. Beta distribution
Another name of explanatory variable is_________?
Another name of explanatory variable is_________?
A. Independent
B. Predictor
C. Controlled
D. All of above
Which of the following statement is true for CDF of the random variable X?
Which of the following statement is true for CDF of the random variable X?
A. From larger values of x
B. From smallest upto specific value of x
C. From zero to specific value of x
D. None of these
When the word random variable use in statistics it must have?
When the word random variable use in statistics it must have?
A. Variable
B. Probability distribution
C. Values
D. None of these
Total Area under the curve in probability of density function is ?
Total Area under the curve in probability of density function is ?
A. 0
B. -1
C. 1
D. Infinity
E(ax + b) = A E(x) +___________________?
E(ax + b) = A E(x) +___________________?
A. (C)
B. E(x)
C. b E(a)
D. b