Mathematics, 23.10.2019 02:30 tryintopassenioryear
Suppose the probability density function of the length of computer cables is f left-parenthesis x right-parenthesis equals 0.1 from 1200 to 1210 millimeters. a) determine the mean and standard deviation of the cable length. mean = entry field with correct answer 1205 millimeters standard deviation = entry field with correct answer 2.89 millimeters (round the answer to 2 decimal places.) b) if the length specifications are 1192less-than x less-than 1204, what proportion of cables is within specifications?
Answers: 2
![=\displaystyle\int_{1192}^{1204} f(x) dx\\\\=\displaystyle\int_{1200}^{1204} (0.1) dx\\\\=0.1[x]_{1200}^{1204} = (0.1)(1204-1200) = 0.4](/tpl/images/0341/8248/a687f.png)
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