Assume x is normally distributed with mean $\mu$ = 15 and standard deviation $\text { σ }$ = 3.Use the approximate areas beneath the normal curve,as discussed in this section,to find P(9 ≤ x ≤ 21).

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The Answer of Assume x is normally distributed with mean $\mu$ = 15 and standard deviation $\text { σ }$ = 3.Use the approximate areas beneath the normal curve,as discussed in this section,to find P(9 ≤ x ≤ 21).

Assume X Is Normally Distributed with Mean μ\muμ = 15 and Standard Deviation

Assume X Is Normally Distributed with Mean $\mu$ = 15 and Standard Deviation