Pharmacists at a research institution claim that a certain medicine is 74% effective on people with a particular disease. Use Normal approximation to find the probability that it will be effective in at most 56 of the next 80 trials. [Refer to appropriate distribution table if needed.) O A. 0.2285 OB. 0.2457 OC. 0.2211 OD. 0.2359

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Pharmacists at a research institution claim that a certain medicine is 74% effective on people with a particular disease. Use Normal approximation to find the probability that it will be effective in at most 56 of the next 80 trials. [Refer to appropriate
distribution table if needed.]
O A. 0,2285
O B. 0.2457
OC. 0.2211
OD. 0.2359
Transcribed Image Text:Pharmacists at a research institution claim that a certain medicine is 74% effective on people with a particular disease. Use Normal approximation to find the probability that it will be effective in at most 56 of the next 80 trials. [Refer to appropriate distribution table if needed.] O A. 0,2285 O B. 0.2457 OC. 0.2211 OD. 0.2359
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