Statistics Questions Answers MCQ (Multiple Choice Questions) PDF Download

The formula in which the Poisson probability distribution approaches normal probability distribution with the help of normal variable is written as

1. x + λ ⁄ square root of λ
2. x * λ ⁄ square root of x*λ
3. x - λ ⁄ square root of λ
4. x + λ ⁄ square root of pqλ

If the value of p is 0.60 and value of n is 3 whereas the random variable x is equal to 4 then the value of z-score of distribution is

1. 1.59
2. 2.59
3. 2.68
4. 0.59

The type of continuous distribution in which the probability is constant is classified as

1. rectangular distribution
2. square distribution
3. open frequency distribution
4. class frequency distribution

If the value of λ is 9 and value of random variable x is 5 then the value of z-score is

1. −2.58
2. −1.86
3. −2.34
4. −1.34

The type of distribution which is useful when the occurrences of events are constant is classified as

1. open frequency distribution
2. class frequency distribution
3. rectangular distribution
4. square distribution