Probability Distributions

In normal distribution   

• Mean = Median = Mode

• Mean < Median < Mode

• Mean > Median > Mode

• Median>Mean>Mode

Mean of the Binomial distribution is    

• npq

• np

• n/p

• p/n

In a Poisson distribution, mean is 16, then S.D is

• 16

• 256

• 128

• 4

What is the variance of a Poisson distribution with a mean of 10?

• 5

• 20

• 10

• 15

In a Binomial distribution, what does the parameter 'p' represent?

• Number of trials

• Probability of failure

• Mean of the distribution

• Probability of success

In a Binomial distribution, what does the parameter 'n' represent?

• Number of successes

• Number of trials

• Probability of failure

• Probability of success

What is the standard deviation of a Binomial distribution with parameters n=10 and p=0.5?

• 1

• 1.5

• 5

• 2

What is the variance of a Binomial distribution with parameters n=20 and p=0.3?

• 5.6

• 4.2

• 12

• 6

What is the shape of the probability density function of a normal distribution?

• Exponential

• Bell-shaped

• Uniform

• Skewed

What is the mean of a Binomial distribution with n=25 and p=0.2?

• 5

• 20

• 10

• 15