Solve the Problem

question 37

Multiple Choice

Solve the problem. Round the standard score to the nearest tenth before using the z-score tables. Express your answer as
a percent rounded to hundredths of a percent.
-The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days.Assume that a random sample of 25 pregnant woman is selected and the mean is computer. What percentage of sample means will be between 265 and 271 days?

• A)99.74%
• B)15.87%
• C)68.26%
• D)84.13%

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Definitions:

Historical Context

The background, culture, and circumstances that form the setting for events, statements, or ideas, and in terms of which they can be fully understood.

Multidimensional

Having or involving several dimensions or aspects.

Resource Allocations

The process of distributing resources among various projects or departments within an organization.

Multidirectional

Characterizes something capable of moving or extending in multiple directions; can also refer to diverse thought processes or changes.