Mathematics, 22.07.2021 14:20 jimena15
Có 5 hành khách bước ngẫu nhiên lên một đoàn tàu có 3 toa, tìm xác suất để chỉ có 2 người lên toa thứ nhất.
Answers: 3
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4
Answers: 2
Mathematics, 21.06.2019 20:30
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
Answers: 2
Có 5 hành khách bước ngẫu nhiên lên một đoàn tàu có 3 toa, tìm xác suất để chỉ có 2 người lên toa th...
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Mathematics, 09.11.2020 21:20