The variable X measures the time it takes for a delivery truck to complete a route. The mean time for completion is 100 minutes with a standard deviation of 18 minutes. Find the probability that the route will require less than 110 minutes and the probability of the route that will take at least 110 minutes. And What is the probability that the route will require between 100 to 110 minutes

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.