Question

minAn investment firm offers its customers munici-he pal bonds that mature after varying numbers of years.Given that the cumulative distribution function of T,the number of years to maturity for a randomly se-lected bond, is F(t)=\left\{\begin{array}{ll}

0, & t<1 \\

\frac{1}{4}, & 1 \leq t<3 \\

\frac{1}{2}, & 3 \leq t<5 \\

\frac{3}{4}, & 5 \leq t<7 \\

1, & t \geq 7

\end{array}\right. (a) P(T = 5); (b) P(T> 3); (c) P(1.4

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