Claim sizes range between 0 and 1500. The probability that a claim is no greater than 500 is 0.8. Claim sizes are uniformly distributed on (0; 500] and on (500; 1500]. Calculate the expected claim sizes and its variance

Ineed with 14, 16, 28 and 36 me. we didn't go over them in class so i don't know what to do.

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d