I got a = 3/2 and b = 1/4 but how do I do the second part of the question?
2026-03-28 22:13:42.1774736022
Calculate the constants a and b and then the probability (0.2<X) {see attached picture}
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Guide:
Probability is the area under the graph for the corresponding pdf. For this case, the area is a trapezium.
Recall that area of a trapezium is $\frac{h}2(a+b)$