For an upcoming tande recital, esth family may purchase up to 3 child fickets and 3 adult fiets etc be the number of child fickets purchased by a single family. The prototy distribution of the number of
child fickets purchased by a single family is given in the table below
0
1
2
PO
2 Compute the mean and the standard deviation of C.
for an E on this problem you must show the work by hand. You may use the Discrete Ram
dom Variable calculator on stappietto find the mean and standard deviation but the scene for
b. Suppose the mean and the standard deviation for the number of adult fickets purchased by a
single customer are 2 and 12. respectively resume that the numbers of childcats and out
fiets puraset are independent random veles. Compute the mean and the standart te
viation of the total number of abuit and child fickets purchased by a single customer. Show your
Suppose sath chic fet costs $15 and each out the costs $25. Compute the mean and
the standard deviation of the total amount sent per punase. Show your work