Solusi - Probabilitas kumulatif dalam distribusi normal standar

Cumulative probability

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1. Find the cumulative probability of the z-scores values up to $- 52$

More than $99, 9 %$ of the time, data with a standard normal distribution lies within plus or minus $3, 9$ standard deviations of the mean.

The cumulative probability of the values up to $- 52$ is $0$ .
$p (x < - 52) = 0$
The cumulative probability that $x < - 52$ is $0 %$

2. Find the cumulative probability for the z-scores values greater than $- 52$

La probabilidad acumulativa de los valores mayores que $- 52$ es $1$ .

$p (x > - 52) = 1$
La probabilidad acumulativa de $x > - 52$ es $100 %$

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Normal and standard normal distributions

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