A family is defined to be a group of two or more persons related by birth, marriage,

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A family is defined to be a group of two or more persons related by birth, marriage, or adoption and residing together in a household. According to Current Population Survey, published by the U.S. Census Bureau, the size distribution of U.S. families is as follows. Frequencies are in thousands.
Size ________________________ Frequency
2 .......................................... 37,148
3 .......................................... 17,810
4 .......................................... 15,054
5 .......................................... 6,660
6 .......................................... 2,438
7+ ......................................... 1,395
A U.S. family is selected at random. Find the probability that the family obtained has
a. Two persons.
b. More than three persons.
c. Between one and three persons, inclusive.
d. One person.
e. One or more persons.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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