Description
This chapter provides you with important concepts for estimating an interval that will contain the true population mean, population proportion and population variance.
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Explanation & Answer
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Module 2 Homework Assignment
1.) 459 randomly selected light bulbs were tested in a laboratory, 291 lasted more than 500 hours.
Find a point estimate of the true proportion of all light bulbs that last more than 500 hours.
Solution:
N = 459
Success = 291
Proportion = 291/459 = 0.6340
2.)
Instruc...