Shape of possion distribution depends upon?

A. On random variable X
B. Its parameter
C. Mean
D. Variance

Shape of normal curve can be related to_______________?

A. Bell
B. Circle
C. L
D. Rectangle

As the normal distribution is symmetrical, its mean, median and mode are:____________?

A. Coincide
B. Not equal
C. Different
D. None of These

The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?

A. 0.1477
B. 0.1597
C. 0.3413
D. None of These