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Tian
Questions (7)
A certain lottery has 29 numbers. In how many different ways can 6 of the numbers be selected? Assume that order of selection is
1 answer
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3. In studying the efficiency of the federal court system, we look at the random variable, X, the amount of time elapsing
1 answer
553 views
2. A sociologist conducted a study of divorce patterns in a Midwestern city. In the study, 200 divorced people were selected at
1 answer
545 views
1. Past experience indicates that the variance, ¦Ò2x, of the scores, X, obtained on the verbal portion of a test is 5,625.
1 answer
653 views
A business firm considers the number of years of formal education, X, a prime factor in screening applicants for employment in
1 answer
515 views
From past experience it is felt that the random variable, X, the age of a mother at the birth of her first child, is normally
1 answer
658 views
Your small library of books consists of 6 novels, 7 mathematics books, and 1 biology book. Calculate the number of ways to
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673 views
Answers (2)
Three thousand
475,020
