A. The waiting time for a taxi has a uniform distribution between 0 and 10 minutes. What is the probability that the waiting time for this taxi is less than 7 minutes on a given day?

B. The average amount of a beverage in randomly selected 16-ounce beverage can is 16 ounces with a standard deviation of 0.4 ounces. If a random sample of sixty-four 16-ounce beverage cans are selected, what is the probability that the mean of this sample is less than 16.1 ounces of beverage?

C.The final exam grade of a statistics class has a skewed distribution with mean of 76 and standard deviation of 7.6. If a random sample of 32 students selected from this class, then what is the probability that average final exam grade of this sample is between 75 and 80?

D. The average amount of a beverage in randomly selected 16-ounce beverage can is 15.8 ounces with a standard deviation of 0.5 ounces. If a random sample of thirty-six 16-ounce beverage cans are selected, what is the probability that the mean of this sample is less than 15.7 ounces of beverage?