I $33365 I 8.7.12Linearity of expectations. :5'.':':*;;; - m. u: CHALLENGE ACTIVITY 8.7.1: Linearity of expectations. 380992 2217766xqx3zqy7 Jump to level 1 A class with

I $33365 I 8.7.12Linearity of expectations. :5'.':':*;;; - m. u:<.3 jump to level a class with third graders and fourth are lined up in random order for recess. t is the variable which equal number of rst places line. what expected value em>

CHALLENGE ACTIVITY 8.7.1: Linearity of expectations. 380992 2217766xqx3zqy7 Jump to level 1 A class with 6 third graders and 4 fourth graders are lined up in a random order for recess. T is the random variable which is equal to the number of 3rd graders in the first 3 places of the line. What is the expected value of T?