X P(x)
0 0.2
1 0.25
2 0.1
3 0.45
Find the standard deviation of this pr...
Mathematics, 13.11.2020 16:30 albattatasraap5wymy
X P(x)
0 0.2
1 0.25
2 0.1
3 0.45
Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places.
Answers: 3
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Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
Answers: 1
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In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?
Answers: 2
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Answers: 1
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