Assume That X Has a Normal Distribution, and Find the Indicated

question 26

Multiple Choice

Assume that X has a normal distribution, and find the indicated probability.
-The mean is $\boldsymbol { \mu } = 137.0$ and the standard deviation is $\boldsymbol { \sigma } = 5.3$ . Find the probability that $X$ is between $134.4$ and 140.1.

• A)0.4069
• B)0.6242
• C)0.8138
• D)1.0311

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Definitions:

Correlation

A metric that shows the degree to which multiple variables change in relation to one another.

Regression Discontinuity

A statistical method used to estimate the causal effect of a treatment by assigning a cutoff point and analyzing the outcomes immediately above and below that cutoff.

Type 2 Diabetes

A chronic condition that affects the way the body processes blood sugar (glucose), characterized by insulin resistance.

Threshold

The minimum level of stimulus required to achieve a response or action, or the point at which a significant change occurs.