Find the Number of Standard Deviations from the Mean

question 156

Multiple Choice

Find the number of standard deviations from the mean. Round your answer to two decimal places.
-Mario's weekly poker winnings have a mean of $323 and a standard deviation of $50. Last week he won $177. How many standard deviations from the mean is that?

• A) 1.46 standard deviations above the mean
• B) 2.92 standard deviations above the mean
• C) 1.46 standard deviations below the mean
• D) 2.92 standard deviations below the mean

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Definitions:

Exposed

Being in a state where something is uncovered or revealed, potentially subject to harm or criticism.

Effect

The result or outcome of a particular influence, action, or causal relationship.

Hardy Personality

A personality trait characterized by resilience and the ability to cope effectively with stress.

Qualities

Characteristics or attributes that can be used to describe or evaluate something or someone.