In Exercises 21-26, a fair coin is tossed two times in succession.
1 answer:
Answer: I need more context
Step-by-step explanation:
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Answer:
x=16; y=24
Step-by-step explanation:
for (x,23), 23=0.5x+15
x=16
for (18xy), y=0.5*18+15=24
Answer:
2/15
Step-by-step explanation:
Answer:
3/4
Step-by-step explanation:
add the no. of red marbles and blue marbles
2+4 = 6
Probability so divide 6/8 simplified to 3/4
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On the 4th stage, 81 friends will be called to be told of the news