Question:

Suppose the monthly charges for cell phone plans are

Last updated: 7/12/2023

Suppose the monthly charges for cell phone plans are

Suppose the monthly charges for cell phone plans are normally distributed with mean 68 and standard deviation o 19 a Draw a normal curve with the parameters labeled b Shade the region that represents the proportion of plans that charge less than 49 c Suppose the area under the normal curve to the left of X 49 is 0 1587 Provide an interpretation of this result b Choose the correct graph below I 49 68 87 OB 49 68 87 106 O C 49 30 68 106 c Select the correct choice below and fill in the answer box to complete your choice Type a whole number O D 30 49 OA The probability is 0 1587 that a randomly selected cell phone plan in this population is less than month OB The probability is 0 1587 that a randomly selected cell phone plan in this population is more than month T 68 per per