FILL OUT ESSAY box with complete and full solution as shown in the applicable class lecture video(s). Do this solution without any need of calculating a Z-score, must be done without that step and students are prohibited from using any standard normal table. No file upload option allowed, must type out solution in the text box provided.
Given: MPG of a certain model eco-car is normally distributed with mean of 31.1 and standard deviation of 1.245.
Round answers to nearest thousandth and keep in decimal format. Give full solution for each of these parts in this ESSAY box formatted question.
Part A: If one eco-car is randomly selected from this population, what is the probability the fuel efficiency will be at least 31.13?
Part B: If 10 of these eco-cars are randomly selected from this population, what is the probability the mean MPG will be between 30.12 mpg and 32.27 mpg?
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12pt Paragraph B I U 4°. T2
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