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4.3 Exercise 10

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.

f. The words at least translate as what kind of inequality for the probability question P(x ____ 40)?

OpenStax Statistics, 4.3 Binomial Distribution (Optional), exercise 10

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