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Coin throws An unfair coin is thrown 600 times. The probability of geting a tail in each throw is 1/4. (a) Use a Binomial distribution

Coin throws

An unfair coin is thrown 600 times. The probability of geting a tail in each throw is 1/4.

(a) Use a Binomial distribution to compute the probability that the number of heads obtained does not differ more than 10 from 420.

(b) Use a Normal approximation without a continuity correction to calculate the probability in (a).

How does the result change if the approximation is provided with a continuity correction

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