Question Help The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean o 19 minutes anda standard deviation of 3 minutes (a) The automotive center guarantees customers that the service will take no longer than 20 minutes. If it does take longer, the customer will receive the service for half-price. What percent of customers receive the service for half-price? (b) If the automotive center does not want to give the discount to more than 3% of its customers, how long should it make the guaranteed time limit? (a) The percent of customers that receive the service for half-price is%. (Round to two decimal places as needed.) minutes. (Round up to the nearest integer as needed.) (b) The guaranteed time limit is

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.