Suppose Appendix Table A.3 contained (z) only for z 0.
Chapter 4, Problem 4.56(choose chapter or problem)
Suppose Appendix Table A.3 contained (z) only for z 0. Explain how you could still compute a. P( 1.72 Z .55) b. P( 1.72 Z .55) Is it necessary to table (z) for z negative? What property of the standard normal curve justifies your answer?
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