$X$ Is a Normally Distributed Random Variable with a Mean Of Of 4.0

question 20

Multiple Choice

$X$ is a normally distributed random variable with a mean of $4.0$ . Find the standard deviation of the distribution if $59.10 \%$ of the data lies to the right of $3.54$ . (Note: the diagram is not necessarily to scale.)

• A) 2.0
• B) 0.5
• C) 1.0
• D) 1.3

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Definitions:

Service Times

The duration required to complete a service, often tracked in customer service environments to assess efficiency and effectiveness.

P-value

The p-value is a statistical measure indicating the probability of obtaining test results at least as extreme as the ones observed, assuming that the null hypothesis is true.

Standard Deviation

An index of the dispersion or variability around the mean of a set of data points, indicating how spread out the data is.

Producer

An entity or individual that is responsible for the creation or provision of goods or services in an economy.