Mathematics, 30.01.2020 05:46 kdawg203
Aclass has 20 students. if the teacher is randomly selecting a group of 3 students to represent the class on the student council, what is the probability that sarah and her two best friends will all be chosen?
1/20
3/20
1/1,140
Answers: 3
Mathematics, 21.06.2019 14:00
Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?
Answers: 2
Mathematics, 21.06.2019 14:00
Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side
Answers: 3
Mathematics, 21.06.2019 16:30
Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.
Answers: 1
Aclass has 20 students. if the teacher is randomly selecting a group of 3 students to represent the...
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