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https://gyazo.com/d9053bccd6d4def4ae6538448fd6434d

 May 23, 2018
 #1
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The probability of (\(4\leq x\leq 8\)) is just the area under the graph between x = 4 and x = 8.

P(\(4\leq x\leq 8\)) = (3+4)*(0.1)/2 + 4*0.05 = 0.35 + 0.2 = 0.55.

 May 26, 2018

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