Year 10 Review of Probability

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Which of these events is most likely

1 point

The chance that it will rain every day for the next 10 days.

The chance that a member of class is ill on the next school day.

The chance that school is cancelled next year.

The chance that the Sun comes up tomorrow.

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A coin is flipped once. What is the probability of obtaining a tail or a head?

1 point

1/4

1/2

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An experiment involves tossing three coins and counting the number of heads. Here are the results after running the experiment 100 times. How many times did fewer than 2 heads occur?

1 point

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A 10-sided die numbered 1 to 10 is rolled once. Find P(at least 2)

1 point

1/5

1/10

9/10

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A letter is chosen from the word SUCCESS. The probability that the letter is not a C is:

1 point

2/7

3/5

5/7

4/7

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