# Confidence Interval Estimation Quiz Questions and Answers 56 PDF Download

Learn confidence interval estimation quiz, online business statistics test 56 for online courses, distance learning. Free statistics MCQs questions and answers to learn confidence interval estimation MCQs with answers. Practice MCQs to test knowledge on confidence interval estimation, coefficient of skewness, random variable classes, standard normal probability distribution, probability and counting rules worksheets.

Free confidence interval estimation course worksheet has multiple choice quiz question as if point estimate is 8 and margin of error is 5 then confidence interval is with options 3 to 13, 4 to 14, 5 to 15 and 6 to 16 with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study confidence intervals & estimation multiple choice questions based quiz question and answers.

## Quiz on Confidence Interval Estimation Quiz PDF Download Worksheet 56

Confidence Interval Estimation Quiz

MCQ. If point estimate is 8 and margin of error is 5 then confidence interval is

- 3 to 13
- 4 to 14
- 5 to 15
- 6 to 16

A

Coefficient of Skewness Quiz

MCQ. Three times of difference between mean and median is divided by standard deviation to calculate coefficient of skewness by method of

- Professor Keller
- Professor Bowley
- Karl Pearson
- Professor Kelly

C

Random Variable Classes Quiz

MCQ. Probability distribution of discrete random variable is classified as

- probability mass function
- posterior mass function
- interior mass function
- continuous mass function

A

Standard Normal Probability Distribution Quiz

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

Probability & Counting Rules Quiz

MCQ. If a brown sack consists of 4 white balls and 3 black balls then probability of one randomly drawn ball will be white is

- 4 ⁄ 7
- 1 ⁄7
- 4 ⁄ 4
- 4 ⁄ 3

A