Mathematics, 26.08.2019 20:00 stef65
You are given an urn with 100 balls (50 black and 50 white). you pick balls from urn one by one without replacements until all the balls are out. a black followed by a white or a white followed by a black is "a colour change". calculate the expected number of colour changes if the balls are being picked randomly from the urn.
Answers: 2
Mathematics, 21.06.2019 14:40, timothycarter342
You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order
Answers: 2
You are given an urn with 100 balls (50 black and 50 white). you pick balls from urn one by one with...
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