Question 4.17: Find the area under the normal curve between z = 0.71 and z ......

ISE Principles of Statistics for Engineers and Scientists [987713]

Find the area under the normal curve between $z$ = 0.71 and $z$ = 1.28.

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From the $z$ table, the area to the left of $z$ = 1.28 is 0.8997. The area to the left of $z$ = 0.71 is 0.7611. The area between $z$ = 0.71 and $z$ = 1.28 is therefore 0.8997−0.7611 = 0.1386. See Figure 4.6.

4.17

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