What Is the Estimated Standard Deviation of the Duration for Activity

question 53

Multiple Choice

What is the estimated standard deviation of the duration for activity E?

• A) 1 day
• B) 2 days
• C) 3 days
• D) 4 days
• E) 5 days

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Definitions:

P-Value

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is correct.

Hypotheses

Proposed explanations for a phenomenon, set forth as a starting point for further investigation or experimentation.

Normal Distribution

A bell-shaped distribution characterized by its mean and standard deviation, where the mean, median, and mode are all equal.

Normally Distributed

Refers to a distribution that follows the normal (bell-curve) shape, characterized by a symmetric shape around the mean, indicating random variables with equal mean, median, and mode.