Answer:
1
Step-by-step explanation:
A coin only has two outcomes. Meaning that she has a 50/50 chance of landing on each side. So, 50% of 20 is 10. According to the theoretical probabilty, the coin would have landed on heads 10 times and tails 10 times. So, for that to be true Maria would have had to land on tails one more time.
200x3= 600
1000-600=400
400/5=80
80 Adults must attend
Answer:
A
Step-by-step explanation:
About 10 to 12 students did not finish
Answer:
D
Step-by-step explanation:
πr^2
3.14*3^2
3.14*9
28.26
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