Q2: The probability density function has a continuous uniform distribution over the interval 125

Q2: The probability density function has a continuous uniform distribution over the interval 125 < x < 375. (15 points) 2- 3- 4- 5- What proportion Of tests require more than 175? What proportion Of tests less than 300? What proportion of tests more than 150 and less than 250? Determine the mean and the variance Determine the cumulative distribution function Of the random variable x.