With her promotion, Nicki's salary increased from $19.50 an hour to $22.50 an hour. What is the percent of increase, rounded to
2 answers:
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The deck consists of 4 jacks, 26 black cards, and 13 hearts.
There is only 1 way of drawing all 4 jacks: .
There are ways of drawing 4 black cards.
There are ways of drawing 4 hearts.
There are ways of drawing any 4 cards.
The probabilities are then
a.
b.
c.