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Suppose the monthly charges for cell phone plans are normally distributed with mean μ = $61 and standard deviation = $18. (a) Draw a normal curve with the parameters labeled (b) Shade the region that represents the proportion of plans that charge less than $43 (c) Suppose the area under the normal curve to the left of X= $43 is 0.1587 Provide an interpretation of this result. O A. Q (b) Choose the correct graph below O A. N N 61 79 97 43 61 79 43 1 25 61 97 О в. Q Q OB. a 43 61 79 O C. O C. N s 25 43 61 25 61 97 43 61 79 97 Q na (c) Select the correct choice below and fill in the answer box to complete your choice. (Type a whole number) OA. The probability is 0.1587 that a randomly selected cell phone plan in this population is less than $ per month OB. The probability is 0 1587 that a randomly selected cell phone plan in this population is more than $ OD. per month. O D. 25 43 61 Q Q

Suppose the monthly charges for cell phone plans are normally distributed with mean μ = $61 and standard deviation = $18. (a) Draw a normal curve with the parameters labeled (b) Shade the region that represents the proportion of plans that charge less than $43 (c) Suppose the area under the normal curve to the left of X= $43 is 0.1587 Provide an interpretation of this result. O A. Q (b) Choose the correct graph below O A. N N 61 79 97 43 61 79 43 1 25 61 97 О в. Q Q OB. a 43 61 79 O C. O C. N s 25 43 61 25 61 97 43 61 79 97 Q na (c) Select the correct choice below and fill in the answer box to complete your choice. (Type a whole number) OA. The probability is 0.1587 that a randomly selected cell phone plan in this population is less than $ per month OB. The probability is 0 1587 that a randomly selected cell phone plan in this population is more than $ OD. per month. O D. 25 43 61 Q Q

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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Suppose the monthly charges for cell phone plans are normally distributed with mean u = $61 and standard deviation o= $18. (a) Draw a normal curve with the parameters labeled (b) Shade the region that represents the proportion of plans that charge less than $43 (c) Suppose the area under the normal curve to the left of X= $43 is 0.1587 Provide an interpretation of this result OA. (b) Choose the correct graph below B. A. N NAA 61 79 97 25 43 61 B. OC. 43 61 79 OC. (c) Select the correct choice below and fill in the answer box to complete your choice (Type a whole number) OA. The probability is 0.1587 that a randomly selected cell phone plan in this population is less than $ OB. The probability is 0.1587 that a randomly selected cell phone plan in this population is more than $ 43 N N NA 25 61 43 61 61 79 97 D. per month per month. OD. 25 61 97 Q 43 61 Q
Transcribed Image Text:Suppose the monthly charges for cell phone plans are normally distributed with mean u = $61 and standard deviation o= $18. (a) Draw a normal curve with the parameters labeled (b) Shade the region that represents the proportion of plans that charge less than $43 (c) Suppose the area under the normal curve to the left of X= $43 is 0.1587 Provide an interpretation of this result OA. (b) Choose the correct graph below B. A. N NAA 61 79 97 25 43 61 B. OC. 43 61 79 OC. (c) Select the correct choice below and fill in the answer box to complete your choice (Type a whole number) OA. The probability is 0.1587 that a randomly selected cell phone plan in this population is less than $ OB. The probability is 0.1587 that a randomly selected cell phone plan in this population is more than $ 43 N N NA 25 61 43 61 61 79 97 D. per month per month. OD. 25 61 97 Q 43 61 Q
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