This Question: 1 pt This Test: 12 pts Quesion Help * Scores of an 1Q test have a
ID: 3356966 • Letter: T
Question
Explanation / Answer
a) P(52 < x < 148)
= P((52 - 100)/16 < z < (148 - 100)/16)
= P(-3 < z < 3)
= 99.7%
b) P(Less than 52 or greater than 148)
= 100% - 99.7%
= 0.3%
c) P(X > 132)
= P(z > (132 - 100)/16)
= P(z > 2)
= 2.5%
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