Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x ≤ 47)?A.0.84B.0.975C.0.16D.0.025SUBMITarrow_backPREVIOUS

Question

Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x ≤ 47)?A.0.84B.0.975C.0.16D.0.025SUBMITarrow_backPREVIOUS

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Solution 1

Para resolver esta pregunta, debemos utilizar la distribución normal estándar (z-score). Los pasos son los siguientes:

Calcular el z-score: El z-score se calcula con la fórmula: $z = \frac{x - \mu}{\sigma}$ donde $x$ es el valor de interés (47), $\mu$ es la media ( Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
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