SOLUTION: Find the following probabilities: a)P (0 ≤ Z ≤ .5) b)P (Z ≤ .5) c)P (Z ≤ -.5) d)P (Z >.5) e)P (-.5 ≤ Z ≤ .5)

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Question 842076: Find the following probabilities:
a)P (0 ≤ Z ≤ .5)
b)P (Z ≤ .5)
c)P (Z ≤ -.5)
d)P (Z >.5)
e)P (-.5 ≤ Z ≤ .5)

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Green Lines denote z = -.5 and z = .5 on the Standard Normal Curve

P(z ≤ .5) = .6915
a)P (0 ≤ Z ≤ .5) = .6915 - .5 = .1915
b)P (Z ≤ .5) = .6915
c)P (Z ≤ -.5) = .5-.1915
d)P (Z >.5) = 1- .6915
e)P (-.5 ≤ Z ≤ .5) = 2(.1915)
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