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Bernoulli Trials and Binomial Distribution

Question

A fair coin is tossed $$6$$ times. What is the probability of getting at least $$3$$ heads?

A

$$\cfrac{21}{32}$$

B

$$\cfrac{11}{16}$$

C

$$\cfrac{3}{64}$$

D

$$\cfrac{1}{18}$$

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Solution

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Correct option is B. $$\cfrac{21}{32}$$

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