Answer to Question #133853 in Statistics and Probability for Koketso Maripane

Question #133853
Use the standard normal distribution to find p(-2.50<z<1.50)
1
Expert's answer
2020-09-20T18:18:45-0400

Solution

"P(-2.50<z<1.50)""= P(z<1.50) - P(z<-2.50)"

From the standard normal table :

P(z<1.50) = 0.9332

P(z<-2.50) = 0.0062

Now

P(-2.50<z<1.50) = 0.9332 - 0.0062

= 0.927


Answer: 0.927



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