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loveeealyric744
01.06.2021 •
Mathematics
Anders throws a 10-faced dice with numbers from 1 to 10. Then he spins a coin. b) Find the probability of scoring: i) a head and a multiple of 3 ii) a tail and a prime number
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Ответ:
3/20
1/5
Step-by-step explanation:
Sample space :
10 - faced die :
(1, 2, 3, 4,5, 6, 7,8, 9, 10)
Coin = (H, T)
P(H) = 1/2
Multiple of 3 = 3, 6, 9 = 3
P(Multiple of 3) = 3 / 10
P(H and multiple of 3) = 1/2 * 3/10 = 3 /20
2.)
P(tail) = 1/2
Prime numbers = (2, 3, 5, 7) = 4
P(A prime number) = 4 / 10
P(tail and prime number) = 1/2 * 4 /10 = 4 /20 = 1/5
Ответ:
Hey
Step-by-step explanation:
Have a wonderful day and stay safe!