Mathematics, 20.11.2019 21:31 unknown6669
Suppose the times required for a cable company to fix cable problems in its customers' homes are uniformly distributed between 13 minutes and 20 minutes. what is the probability that a randomly selected cable repair visit will take at least 19 minutes? (enter the final answers reduced to the lowest possible fraction.)
Answers: 2
![\int^{20}_{19}\ f(x)\ dx\\\\=\int^{20}_{19}(\dfrac{1}{7})\ dx\\\\= \dfrac{1}{7}[x]^{20}_{19}\\\\=\dfrac{1}{7}[20-19]=\dfrac{1}{7}](/tpl/images/0383/3317/76c23.png)
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