This question has to be worked through the excel file I posted.

Chapter 7 Text Homework-Problem #3 (Exercise 7-40) GE Corp. Headquarters - length of phone calls Mean: standard Deviation: Values for X, Mean, and Standard Deviation can be found in the question. Indicate X, solve for z, and determine p as requested in this problem. When solving for z, formula or function must be present in formula bar when said cell is selected. Determine probability in requested components. Determine final answer in terms of probability (a-c) or time (d). Use only the shaded cells to complete requested formulas or functions. Round your z-score computation to 2 decimal places and final answer to 4 decimal places. a) Probwhlity b) Probsitity. Pruability d) Prabibility. e) Tin A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfieid, Connecticut, revealed the length of the calis, in minutes, follows the normal probability distribution. The mean length of time per call was 4.2 minutes and the standard devation was 0.60 minute. a. What is the probability that calis last between 4.2 and 5 minutes? (Round z-score computation to 2 decimal ploces and your final answer to 4 decimal places.) b. What is the probability that calls last more than 5 minutes? (Round 2 -score computation to 2 decimal places and your final answer to 4 decimal places.) c. What is the probability that calls last between 5 and 6 minutes? (Round your answer to 4 decimal places.) d. What is the probability that calls last between 4 and 6 minutes? (Round r-score computotion to 2 decimal places ond your final onswer to 4 decimol ploces.)