A recent study reported that 22% of adults in France admitted to texting or e-mailing while driving. A random sample of 110 French adults was randomly selected. What is the probability that 26 or more of these adults admitted to admitted to texting or e-mailing while driving?

Suppose the average tread-life of a certain brand of tire is 42,000 miles and that this mileage follows the exponential probability distribution. What is the probability that a randomly selected tire will have a tread-life of more than 40,000 miles?

Assume that the flight time for a United Airlines flight from Philadelphia to Dallas follows the uniform probability distribution between 210 and 250 minutes. What is the probability that a randomly selected flight will take less than 224 minutes?

Assume that the flight time for a United Airlines flight from Philadelphia to Dallas follows the uniform probability distribution between 210 and 250 minutes. What is the probability that a randomly selected flight will take between 220 and 235 minutes?

Assume that the flight time for a United Airlines flight from Philadelphia to Dallas follows the uniform probability distribution between 210 and 250 minutes. What is the standard deviation of this distribution?