U.S. Bureau of the Census data reveal the town of Smallville, OH has a populatio
ID: 3429947 • Letter: U
Question
U.S. Bureau of the Census data reveal the town of Smallville, OH has a population of 10 families. These families own the following:
Family X1 X2 X3 X4 X5 X6 X7 X8 X9 X10
Autos 4 5 3 2 2 3 3 1 4 3
TVs 4 4 5 3 3 4 5 5 4 3
1) If three different families are randomly selected by the IRS for audit of their Federal Income tax return, calculate the number of different possible audit groups.
2) If two different families are randomly selected by the local supermarket to win a 1st prize or 2nd prize, calculate the number of different possible ways to award the prizes.
Explanation / Answer
SOLUTION
The following data for 10 families is given as follows :-
Sl.NO
1
2
3
4
5
6
7
8
9
10
Total
Autos
4
5
3
2
2
3
3
1
4
3
30
Sq of
Arranged
(Auto data
Auto - Mean Mean)
1
1
1
2
2
4
2
0
0
3...
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