Question 17 (1 point)

Question 17 options:

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? Answer: (round to 4 decimal places)

Question 18 (1 point)

Question 18 options:

The final exam grade of a statistics class has a skewed distribution with mean of 78 and standard deviation of 7.8. If a random sample of 36 students selected from this class, then what is the probability that the average final exam grade of this sample is between 75 and 80? Answer: (round to 4 decimal places)

Question 19 (1 point)

Question 19 options:

The average amount of water in randomly selected 16-ounce bottles of water is 16.1 ounces with a standard deviation of 0.5 ounces. If a random sample of thirty-six 16-ounce bottles of water are selected, what is the probability that the mean of this sample is less than 15.9 ounces of water? Answer: (round to 4 decimal places)

Question 20 (1 point)

Question 20 options:

The time a student sleeps per night has a distribution with mean 6.3 hours and a standard deviation of 0.6 hours. Find the probability that average sleeping time for a randomly selected sample of 42 students is more than 6.5 hours per night. Answer: (round to 4 decimal places)