20.
For a standard normal distribution, the probability of obtaining a z value between -1.9 to 1.7 is
Select one:
a. 0.9267
b. 0.4267
c. 1.4267
d. 0.5000
Ans:
20)
P(-1.9<z<1.7)=P(z<1.7)-P(z<-1.9)
=0.9554-0.0287
=0.9267
Option a is correct(0.9267)
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