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1. An architect draws house plans for a client using the scale 1in= 4ft. How long shall the architect draw a wall that will be 22ft long
Ans 5 1/2 in
2. If a coin is flipped 5 times, the probability of getting heads all 5 times is
3. a bag of marbles contains 4 red, 3 blue, 2 yellow, and 1 green. If 2 marbles are drawn from the bag without replacement, the probability that both marbles are red is