Use the following probabilities to answer the question. Round to 4 decimal places. P(A)=0.72P(A)=0.72, P(B)=0.18P(B)=0.18, P(AandB)=0.10P(AandB)=0.10. P(B∣A)=

Find the mean hourly cost when the cell phone described above is used for 240 minutes.

For the following exercises, assume two die are rolled. 50. What is the probability that a roll includes a 2 or results in a pair?

For the following exercises, assume two die are rolled. 53. What is the probability that a roll includes neither a 5 nor a 6?

On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form the price of an appliance. If the contestant is correct, he or she wins the appliance. What is the probability of winning when the contestant knows that the price is at least $400?

For the following exercises, assume two die are rolled. 51.What is the probability that a roll doesn’t include a 2 or result in a pair?

For the following exercises, assume two die are rolled. 52. What is the probability of rolling a 5 or a 6?

For the following exercises, assume two die are rolled. 48. What is the probability that a roll includes a 2?

For the following exercises, two dice are rolled, and the results are summed. 37. Find the probability of rolling a sum greater than or equal to 15.

For the following exercises, two dice are rolled, and the results are summed. 38. Find the probability of rolling a sum less than 15.