Question
In: Statistics and Probability
find the value of r such that each of the following is true. rewrite the question...
find the value of r such that each of the following is true.
rewrite the question and replace r with your answer.
p(c<z<0)=0.4909
p(-c<z<c)= 0.8740
Solutions
Expert Solution
Refer Standard normal table/Z-table to find the probability OR use excel formula "=NORM.S.DIST(0, TRUE)" to find the probability.
Refer Standard normal table/Z-table, Lookup for z-score corresponding to area 0.9909 to the left of the normal curve OR use excel formula "=NORM.S.INV(0.9909)" to find the z-score.
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Refer Standard normal table/Z-table, Lookup for z-score corresponding to area 0.9370 to the left of the normal curve OR use excel formula "=NORM.S.INV(0.9370)" to find the z-score.
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