Let x and y be independent exponential random variables with respective parameters 2 and 3.
a). find the cdf and density of z = x/y.
b). compute p(x < y ).
c). find the cdf and density of w = min{x, y }.

40 describe the outliers from the scatter plot.

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126