# Standard Normal Probability Distribution MCQs Quiz Online PDF Download

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Business statistics practice test MCQ: formula to calculate standardized normal random variable is with choices x - μ ⁄ σ, x + μ ⁄ σ, x - σ ⁄ μ and x + σ ⁄ μ for online management information systems degree preparation with online information systems exam's quizzes. Free study guide is for online learning standard normal probability distribution quiz with MCQs to practice test questions with answers.

## MCQs on Standard Normal Probability Distribution Quiz PDF Download

MCQ: Formula to calculate standardized normal random variable is

- x - μ ⁄ σ
- x + μ ⁄ σ
- x - σ ⁄ μ
- x + σ ⁄ μ

A

MCQ: Formula in which binomial distribution approaches normal probability distribution with help of normal variable is written as

- x - qn divided by square root of pq
- x - np divided by square root of npq
- x + np divided by square root of np
- x - pq divided by square root of npq

B

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

- will be one
- will be zero
- will be negative
- will be positive

D

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

- z-statistic is negative
- z-statistic is positive
- f(x) will be even number
- f(x) will be prime number

A

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

- 120
- 80
- 40
- 20

D