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Suppose the monthly charges for cell phone plans are normally distributed with mean u = $64 and standard deviation o = $17. (a) Draw a normal curve with the parameters labeled. (b) Shade the region that represents the proportion of plans that charge less than $47 (c) Suppose the area under the normal curve to the left of X = $47 is 0.1587. Provide an interpretation of this result (a) Choose the correct graph below. OA O B. O C. OD. X (b) Choose the correct graph below, O A O B. O c. O D (c) Select the correct choice below and fill in the answer box to complete your choice (Type a whole number.) O A. The probability is 0. 1587 that a randomly selected cell phone plan in this population is more than $ per month O B. The probability is 0. 1587 that a randomly selected cell phone plan in this population is less than $ per month Click to select and enter your answer(s) Time Remaining: 01:00:10 Next