If X Is a Normal Random Variable with Mean $\mu$ )Equal to 80 and a Standard Deviation

question 81

Multiple Choice

If x is a normal random variable with mean ( $\mu$ ) equal to 80 and a standard deviation ( $\sigma$ ) of 5, the z score for x = 88 is ___.

• A)1.8
• B)-1.8
• C)1.6
• D)-1.6
• E)8.0

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Definitions:

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Victoria Crater

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Dunes

Natural accumulations of sand or other sediments shaped by the wind, often found in desert environments or near beaches.

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An iron oxide mineral with a reddish-brown to silver-gray color, commonly used as an ore of iron.