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1. Find the indicated area under the standard normal curve. To the right of z=- 2.69...

1. Find the indicated area under the standard normal curve.

To the right of z=- 2.69

2.

Assume the random variable x is normally distributed with mean μ=83 and standard deviation σ =5. Find the indicated probability. ​P(xless than<80​)

Math   Statistics-And-Probability   
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