Question

This Question: 6 pts 13 of 15 (8 complete This Quiz: E QUE $17. Suppose the monthly charges for cell phone plans are normally distributed with mean 3 68 and standard deviation (a) Draw a normal curve with the parameters labeled b) Shade the region that represents the proportion of plans that charge less than $51. le) Suppose the area under the normal curve to the left of X = $51 is 0.1587. Provide an interpretation of this result (b) Choose the correct graph below c) Select the correct choice below and 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 per month 8. The probability is 0.1587 that a randomly selected cell phone plan in this population is less than 5

Answer 1

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4= $68 = $17 Htv = 68 +17 = 85 83 is the ! Sigma deviation towards the right 51 68 85 - 51 is the I sigma deviation toward left 51 60 85 © The probablity is 0.1587 selected cell phone plan is less than $51 than the randomly in this papulation per month.