maddie7155
05.01.2020 •
Mathematics
Assume that 10 people, including the husband and wife pair, apply for 4 sales positions. people are hired at random.. what is the probability that one is hired and one is not?
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Ответ:
Favorable outcomes: ( 2C1 ) · ( 8C3 ) = 2 · 56 = 112
Probability : 112 / 210 = 0.5333 ( or 53.33 % ).
Ответ:
subtract 4 from both sides.
2x=2
x=1
hope this helps.
check:
2(1)+4=6
2+4=6
6=6