Standard Normal Probability Distribution Multiple Choice Questions with Answers – PDF Download

MCQ 1: The formula to calculate standardized normal random variable is:

1. x - μ ⁄ σ
2. x + μ ⁄ σ
3. x - σ ⁄ μ
4. x + σ ⁄ μ

MCQ 2: The formula in which the binomial distribution approaches normal probability distribution with the help of normal variable is written as:

1. x - qn divided by square root of pq
2. x - np divided by square root of npq
3. x + np divided by square root of np
4. x - pq divided by square root of npq

MCQ 3: Consider the probability distribution as standard normal, if the value of μ is 75, the value of x is 120 with the unknown standard deviation of distribution then the value of z-statistic:

1. will be one
2. will be zero
3. will be negative
4. will be positive

MCQ 4: If the value of x is less than μ of standard normal probability distribution then the:

1. z-statistic is negative
2. z-statistic is positive
3. f(x) will be even number
4. f(x) will be prime number

MCQ 5: The standard normal probability distribution has mean equal to 40, whereas the value of random variable x is 80 and the z-statistic is equal to 1.8 then the standard deviation of standard normal probability distribution is:

1. 120
2. 80
3. 40
4. 20