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Continuous random variables and the normal distribution — Question 137

Original QCE Vault practice · 1 mark

Q137 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 137

A continuous random variable has density f(x)=kf(x)=k for 2≤x≤72\le x\le7 and f(x)=0f(x)=0 otherwise. Determine kk.
(A)
17\dfrac17
(B)
15\dfrac15
(C)
12\dfrac12
(D)
55
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