The Mean of a Set of Data Is 108

question 56

Multiple Choice

The mean of a set of data is 108.06 and its standard deviation is 115.45. Find the z score for a value of 489.67.

• A) 3.31
• B) 3.61
• C) 3.64
• D) 2.98

Define and distinguish between cumulative distribution functions, probability mass functions, and probability density functions.

Use standardized z-values to find probability.

Understand joint and marginal probability distributions for discrete random variables.

Recognize properties of specific probability distributions, such as uniform and normal distributions.

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