Mathematics
18.03.2021 14:48
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Given that b = {1, 2, 3, 4}, how many subsets have exactly two elements?

Given that b = {1, 2, 3, 4}, how many subsets have exactly two elements?
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josephgperez
josephgperez
4,8(63 marks)

The answer is 6

There are 6 subsets that have exactly two elements

daniellekennedy05
daniellekennedy05
5,0(64 marks)

Answer

arrange the element in increasing order

-1.9, -1.3, -0.8, 2.3, 5.8, 7.4, 8.5, 9.9

interquatile = Q3 - Q1

=  \frac{7.4 + 8.5}{2} -  \frac{ - 1.3 - 0.8}{2}

= 7.95  + 1.05

= 9

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