Answer:
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Step-by-step explanation:
4•3•2•1=24
4 ways to fill the spot for first class
3 ways to fill the spot for second class
2 ways to fill the spot for 3rd class
1 way to fill the spot for 4th class
Needed points sorry hdjdjdjdjdjd
The probability of flipping a tail is 1/2.
The probability of rolling a 7 is 1/10
The two events are independent. Therefore the probability of flipping a tail and rolling a 7 is
(1/2)*(1/10) = 1/20
Answer: 1/20
The answer is either A or D. I will go with D...most probably.
