Suppose X Is a Normal Random Variable With $\mu = 30$

question 177

Multiple Choice

Suppose X is a normal random variable with $\mu = 30$ and $\sigma = 10$ . Find the value of $P ( 24 \leq X \leq 46 )$ . Please, round the answer to four decimal places.

• A) \(P ( 24 \leq X \leq 46 ) = 0.3291\)
• B) \(P ( 24 \leq X \leq 46 ) = 0.0548\)
• C) \(P ( 24 \leq X \leq 46 ) = 0.7257\)
• D) \(P ( 24 \leq X \leq 46 ) = 0.6709\)
• E) \(P ( 24 \leq X \leq 46 ) = 0.6699\)

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