Determine z score corresponding to minimum height, Ask an Expert

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Q1) Customer Waiting Times Waiting times (in minutes) of customers at Jefferson Valley Bank (where all customers enter single waiting line) and Bank of Providence (where customers wait in individual lines are 3 different teller window) are given.

Jefferson Valley (single line): 6.5 6.6 6.7 6.8 7.1 7.3 7.4 7.7 7.7 7.7

Providence (individual lines): 4.2 5.4 5.8 6.2 6.7 7.7 7.7 8.5 9.3 10.0

Q2) U.S. Army requires women's heights to be lies between 58 in. and 80 in. Women have heights with mean of 63.6 and standard deviation of 2.5 in. Determine z score corresponding to minimum height requirement and determine z score corresponding to maximum height requirement. Find out whether minimum and maximum heights are unusual.

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