Question: 7.26 The average fuel consumption varies substantively between countries. Different types of vehicles consume different amounts of fuel per day. In 2018, the daily fuel

7.26 The average fuel consumption varies substantively between countries. Different types of vehicles consume different amounts of fuel per day. In 2018, the daily fuel consumption for all types of vehicles in Australia was between 0.4 and 120 liters per day with a mean of 24.9 liters per day. Assume that the daily fuel consumption of vehicles in Australia is normally distributed with a standard deviation of 39.38 liters per day. A sample of 25 vehicles in Australia is selected. For their daily fuel consumption, what is the

a. probability that the sample mean is between the lowest range and the population mean?

b. probability that the sample mean is between the population mean and the highest range?

c. probability that the sample mean is more than the highest range?

d. probability that the sample mean is less than the lowest range?

e. maximum sample mean for the bottom 93%?

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