7. Without looking, Tammy takes a marble
out of a bag that contains 10 red marbles,
15 g...
History, 21.03.2020 18:04 ruddymorales1123
7. Without looking, Tammy takes a marble
out of a bag that contains 10 red marbles,
15 green marbles, and 25 blue marbles.
She records its color and returns the
marble to the bag. If Tammy repeats this
process 90 times, how many times can
she expect to pull out a red marble?
A 5
B 10
C 15
D 18
Answers: 2
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