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hi, how would I go about answering this? Using normal approximation to the binomial distribution, find the probability of obtaining a score of 18 or

hi, how would I go about answering this?

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Using normal approximation to the binomial distribution, find the probability of obtaining a score of 18 or more on a distribution with an approximated mean of 15.00, and variance of 10.50. O A. .8238 O B. .7794 O C. .2206 O D. .8599

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