An attendant at a car wash is paid according to the number of cars that pass through. Suppose the probabilities are 1/12, 1/12, 1/4, 1/4, 1/6, and 1/6, respectively, that the attendant receives $7, $9, $11, $13, $15, or $17 between 4:00 P.M. and 5:00 P.M. on any sunny Friday. Find the attendants expected earnings for this particular period.

Q:An attendant at a car wash is paid according to the number of cars that pass through.Suppose the probabilities are 1/12, 1/12, 1/4, 1/4, 1/6, and 1/6, respectively, that theattendant receives $7, $9, $11, $13, $15, or $17 between 4:00 P.M. and 5:00 P.M. on anysunny Friday. Find the attendants expected earnings for this particular period. Step By Step Solution:Step 1 of 2:The probability distribution table is as follows. x $7 $9 $11 $13 $15 $17 f(x) 1/12 1/12 1/4 1/4 1/6 1/6