Mathematics, 30.10.2020 17:50 aurelio1121
A study of the time spent shopping at a supermarket is for a basket with 20 specific items showed an approximately a uniform distribution between 20 minutes and 40 minutes. What is the probability that the shopping time will be:
Answers: 1
![=\int\limits^{30}_{25} {\frac{1}{20}} \, dx \\\\=\frac{1}{20}\times [x]^{30}_{25}\\\\=\frac{30-25}{20}\\\\=0.25](/tpl/images/0855/6206/1759e.png)
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A study of the time spent shopping at a supermarket is for a basket with 20 specific items showed an...
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