Q3- If X is a normal random variable with a mean
\bar{x} =80
, and a standard deviation
\sigma _(x)=10
. Compute the following probabilities 1-
P{x<=80}
2-
P{65<=x<=100}
3-
P{x>70}
4.
P{85<=x<=95}
5-
P{|x-80|<=80}

Question

Q3- If X is a normal random variable with a mean

\bar{x} =80

, and a standard deviation

\sigma _(x)=10

. Compute the following probabilities 1-

P{x<=80}

2-

P{65<=x<=100}

3-

P{x>70}

4.

P{85<=x<=95}

5-

P{|x-80|<=80}

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(Solved): Q3- If X is a normal random variable with a mean \bar{x} =80, and a standard deviation \sigma _(x)=1 ...