1. See “Content/Distribution Tables/Z table - 0 to Z” to answer the following questions. The values...

1. See “Content/Distribution Tables/Z table - 0 to Z” to answer the following questions. The values of probability, or area from 0 to Z, for negative value of Z is the same as given for positive Z by symmetry, i.e., the table values are for + and – values of Z. Don’t forget the area of the left and right half of the normal distribution is .5. See Normal Distribution & Z Values in Videos-Topics In Stat 200 for examples.

a) P(Z<1.4) add .5 to table value for Z=1.4 a. p=

b) P(Z>1.4) subtract table value for Z=1.4 from .5

c) P(Z<-1.4) see part b)

d) P(-.5<Z<1.0) add table for Z=-.5 to Z=1.0

e) P(.5<Z<1.5) subtract table for Z=.5 from table for Z=1.5

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orchestra answered 1 year ago

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