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Sample of twenty-five randomly selected students

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1. The probability of "heads" coming face-up on a single flip of a fair two-sided coin is 0.5. You flip the coin a total of ten (10) times. What is the probability of getting exactly 7 "heads" in those 10 flips? Enter as the nearest ten-thousandth

2. The probability that you will win a certain game is 0.3. If you play the game 20 times, what is the probability that you will win 3 or fewer times?

3. A sample of twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows:

Number of movies frequency

0 5

1 9

2 6

3 4

4 1

Find the sample mean: nearest hundredth

The median: nearest hundredth

Reference no: EM132073167

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