Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

The area under the normal curve for , equals the probability of the z-score range () occurring.

Find the Probability p(z)<0.97

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# Find the Probability p(z)<0.97

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

The area under the normal curve for , equals the probability of the z-score range () occurring.

Find the Probability p(z)<0.97