Write an expression without negative exponents. 7x^-3
1 answer:
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Answer:
3/8 and 3/5
Step-by-step explanation:
Given that a family has three children. Using b to stand for a boy and g for girl give the following we can write sample space for a family having three children as
(bbb, bbg, bgg, bgb, gbb, gbg, ggb, ggg)
E - exactly two boys
Sample space count = 8
Exactly two boys count = 3
a) p(E) =
b) odds for E is probability/1-probability
=