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Back to 4.3 Binomial Distribution (Optional)

4.3 Exercise 6

Avg difficulty 2.5

Approximately 70 percent of statistics students do their homework in time for it to be collected and graded. Each student does homework independently. In a statistics class of 50 students, what is the probability that at least 40 will do their homework on time? Students are selected randomly.

b. If we are interested in the number of students who do their homework on time, then how do we define X?

OpenStax Statistics, 4.3 Binomial Distribution (Optional), exercise 6

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