Suppose a Random Variable $x$ Is Best Described by a Normal Distribution With

question 186

Multiple Choice

Suppose a random variable $x$ is best described by a normal distribution with $\mu = 60$ and $\sigma = 12$ . Find the $z$ -score that corresponds to the value $x = 72$ .

• A) 5
• B) 1
• C) 12
• D) 72

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