The average number of cocktails that residents of my nursing home drink weekly is normally distributed...

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The average number of cocktails that residents of my nursinghome drink weekly is normally distributed with mean of 12 cocktailswith a standard deviation of 3 cocktails. What is the percentilerank of a resident who drinks 11.2 cocktails weekly?
about 32% about 11% about 61% about 5% about 95% about 18% about39% about 82%

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According to the question the average number of cocktails thatresidents of my nursing home drink weekly is normally distributedwith mean of 12 cocktails with a standard deviation of 3cocktailsLet us define X the no of cocktails See Answer

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