Answer to Question #323989 in Statistics and Probability for deaho

Question #323989

Find the area under the normal curve for each z-score. Shade accordingly.

1. P( < 2.20)

2. P( -2.5 < z < 2.01)

Expert's answer

a. Area is 0.98610 from table of z-score

b. Area is Z(2.01)-Z(-2.5)=0.97778-0.00621=0.97157

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