Explanation Given: P ( Z > 2.27 ) Approach: Take values from table 2 in appendix D. Calculation: Consider the given probability, P ( Z > 2.27 ) Draw perpendicular from the x -coordinate equal to 2.27 which is parallel to the y -axis on the standard normal curve. The shaded area under the curve towards the right side from drawn perpendicular line is referred to the probability, P ( Z > 2.27 ) . Thus, the probability P ( Z > 2 To determine (b). The value of probability P ( Z > 2.27 ) of the standard normal variable Z corresponding to the shaded area under the standard normal curve.

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ISBN: 9781337496094

Author: Tan

Publisher: CENGAGE C

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Chapter 8.5, Problem 8E

To determine

(a).

To sketch:

The area under the standard normal curve.

To determine

(b).

The value of probability P(Z>2.27) of the standard normal variable Z corresponding to the shaded area under the standard normal curve.

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Chapter 8.5, Problem 7E

Chapter 8.5, Problem 9E

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Chapter 8 Solutions

FINITE MATH.F/MGRL....(LL)>CUSTOM PKG.<

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(a). To sketch: The area under the standard normal curve.

Solution Summary: The symmetry of the standard normal curve is equal to the region associated with the probability P(Z>2.27).