Mathematics, 31.07.2019 19:10 kaitlynn73
Astatistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 48.0 and 58.0 minutes. find the probability that a given class period runs between 50.25 and 50.5 minutes. find the probability of selecting a class that runs between 50.25 and 50.5 minutes.
Answers: 2
![\int^{50.5}_{50.25}\ f(x)\ dx\\\\=\int^{50.5}_{50.25}\ \dfrac{1}{10}\ dx\\\\=\dfrac{1}{10}|x|^{50.5}_{50.25}\\\\=\dfrac{1}{10}\ [50.5-50.25]=\dfrac{1}{10}\times(0.25)=0.025](/tpl/images/0155/4292/18042.png)
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Astatistics professor plans classes so carefully that the lengths of her classes are uniformly distr...
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