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storchak [24]
3 years ago
12

Maria flips a coin 20 times. The coin only lands on tails 9 times. According to theoretical

Mathematics
1 answer:
guapka [62]3 years ago
4 0

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.  

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Read 2 more answers
Greenfield village is spread across 240 acres of land. Only 37% of the land is used for the exhibits, while the rest of the land
Sergeeva-Olga [200]

Answer:

The land which are used for exhibits are <u>89 acres</u> (approximately).

Step-by-step explanation:

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Village is spread across 240 acres of land. 37%  of land is used for the exhibits.

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So, here it is given that land used for exhibits is 37%, and we have to calculate the quantity from the percentage given:

According to question:

37% of 240 acres of land.

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