Beyond representative sampling, what assumptions are needed to satisfy the requirements of a one-sample proportion interval?The sample size should be at least 30 and the population have a normal distributionThe sample size should be at least 30 or the population have a normal distributionThe number of successes and failures should both be at least 5 and the number of successes should follow a binomial distributionThe number of successes and failures should both be at least 5 or the number of successes should follow a binomial distribution

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Beyond representative sampling, what assumptions are needed to satisfy the requirements of a one-sample proportion interval?

The sample size should be at least 30 and the population have a normal distribution
The sample size should be at least 30 or the population have a normal distribution
The number of successes and failures should both be at least 5 and the number of successes should follow a binomial distribution
The number of successes and failures should both be at least 5 or the number of successes should follow a binomial distribution

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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