1. Situation: Find the probability of getting "3 heads" {H H H} when 3 coins are tossed
Experiment:
possible outcome:
no. of possible outcome:
event favorable outcome:
no. of favorable outcome:
2. situation: what is the probability of getting red marbles in a box containing 10 blue marbles, 4 red marbles and 6 yellow marbles
Experiment:
possible outcome:
no. of possible outcome:
event favorable outcome:
no. of favorable outcome:
Experiment:
possible outcome:
no. of possible outcome:
event favorable outcome:
no. of favorable outcome:
2. situation: what is the probability of getting red marbles in a box containing 10 blue marbles, 4 red marbles and 6 yellow marbles
Experiment:
possible outcome:
no. of possible outcome:
event favorable outcome:
no. of favorable outcome:
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Answer:
1. Experiment:
Possible outcome: {H H H}, {H H T}, {H T H}, {T H H}, {T T H}, {T H T}, {H T T}, {T T T}
No. of possible outcomes: 2^3 = 8 (since each coin has 2 possible outcomes: heads or tails)
Event favorable outcome: {H H H}
No. of favorable outcomes: 1
Therefore, the probability of getting "3 heads" when 3 coins are tossed is 1/8 or 0.125.
2. Experiment:
Possible outcome: Selecting one marble from the box
No. of possible outcomes: 10 + 4 + 6 = 20 (since there are 10 blue, 4 red, and 6 yellow marbles in the box)
Event favorable outcome: Selecting a red marble
No. of favorable outcomes: 4
Therefore, the probability of getting a red marble from a box containing 10 blue marbles, 4 red marbles, and 6 yellow marbles is 4/20 or 0.2.
Answer:
If you flip a coin 3 times, what are the odds that the coin will be heads all three times? Explanation: If you flip a coin, the chances of you getting heads is 1/2. This is true every time you flip the coin so if you flip it 3 times, the chances of you getting heads every time is 1/2 * 1/2 * 1/2, or 1/8.