Question: Using Excel For the same normally distributed random variable X ( = 133.7 and 2 = 9.76), what is the cumulative probability at a point

Using Excel

For the same normally distributed random variable X ( = 133.7 and 2 = 9.76), what is the cumulative probability at a point 1.3 standard deviations to the left of the mean?

9.68%
90.32%
12.25%
87.41%

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