2 years ago

2 3/4 convert this number into an Improper fraction

Mathematics

1 answer:

Nata [24]2 years ago

5 0

Answer:
11

Step by step explanation:
2x4=8
8+3=11

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3 years ago

An unbiased coin is tossed 15 times. In how many ways can the coin land tails either exactly 8 times orexactly 5 times?

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Answer:

Probability to get tails exactly 8 times or exactly 5 times is 0.29

Step-by-step explanation:

No of ways the coins lands tails exactly 8 times

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No of ways the coin lands tails exactly 5 times

P(5) = 15C5 × $0.5^{5}$ × $0.5^{15-5}$

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