SOLUTION: Find the indicated probability by using the special addition rule.
A relative frequency distribution is given below for the size of families in one U.S. city
Size Relative
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Question 1112108: Find the indicated probability by using the special addition rule.
A relative frequency distribution is given below for the size of families in one U.S. city
Size Relative frequency
2 0.406
3 0.245
4 0.204
5 0.100
6 0.028
7+ 0.017
A family is selected at random. Find the probability that the size of the family is less than 5. Round approximations to three decimal places.
Answer by greenestamps(13216) (Show Source): You can put this solution on YOUR website!
???"special addition rule"???
Just add the probabilities....
"less than 5" means 2, 3, or 4:
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