Answer:
here is a 63.25% for winning the debate given the student distribution and the chance of success of each type of student.
Explanation:
As the student will be picked at random we can determiante the expected value by doing a weighted average:
![\left[\begin{array}{cccc}$Student&$Return&$Probability&$Weight\\$Sophomore&0.2&0.2&0.04\\$Junior&0.6&0.35&0.21\\$Senior&0.85&0.45&0.3825\\Total&&1&0.6325\\\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D%24Student%26%24Return%26%24Probability%26%24Weight%5C%5C%24Sophomore%260.2%260.2%260.04%5C%5C%24Junior%260.6%260.35%260.21%5C%5C%24Senior%260.85%260.45%260.3825%5C%5CTotal%26%261%260.6325%5C%5C%5Cend%7Barray%7D%5Cright%5D)
$30 I believe I apologize if I am incorrect.
<span>I contributed to the total supply of money in the economy because my demand for good and services were paid for using money and it made the supplier to have more resources with which he can manufacture or purchase more product so that consumers can purchase. In this my economic decision was using the money which I could have used for other purposes for the purchase of goods and services as I had to forgo something and also my account balance became reduced as a result of the decision i made</span>
no they should not 100% correct
