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?

Definitions:

Irrational Beliefs

Irrational beliefs are convictions or assumptions that are not based on reality or logical reasoning, often leading to negative emotional outcomes and behaviors.

General Adaptation Syndrome (GAS)

Selye’s hypothetical three-stage response to stress.

Stressors

External or internal stimuli that cause stress, which can lead to physical, mental, or emotional strain or tension.

Approach-Avoidance Conflict

A psychological conflict that occurs when a goal is both appealing and deterring at the same time.