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Mathematics, 30.08.2019 18:40, Neishab932
Asmall class has 10 students, 3 of whom are girls and 7 of whom are boys. the teacher is going to choose two of the students at random. what is the probability that the teacher will choose two boys? write your answer as a fraction in simplest form.
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Answers: 2
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Mathematics, 21.06.2019 19:40, lylah42
The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes
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Asmall class has 10 students, 3 of whom are girls and 7 of whom are boys. the teacher is going to ch...
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