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Continuous random variables and the normal distribution — Question 221

Original QCE Vault practice · 1 mark

Q221 · Practice questionTechnology-activeSimple familiar1 mark

QUESTION 221

If X∼N(80,102),P(X<60)X\sim N(80,10^{2}), P(X<60) is approximately
(A)
0.15870.1587
(B)
0.97720.9772
(C)
0.02280.0228
(D)
0.50000.5000
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