An experiment consists of rolling a pair of fair dice and recording the sum. This is repeated until the 3rd time the sum is 9 (a sum of 9 is considered a "success" and all other sums are considered "failures"). Let be the number of failures before the third success. Find E(X) and V ar(X) .

answer: 20

step-by-step explanation: subtract the minimum date value from the maximum data value to find the date range. in this casem the date range is 42 - 22 = 20

hope this ! : ) ~zane

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.