The time that a student spend studying the course IMSE 317/BENG364 each week is approximately normally distributed with u = 15.5 and o= 3.6 (hours). What is the probability that, during a given week, the time the student will spend studying the course is between 10 and 20 hours? O 0.1056 0.8314 O 0.4040 O 0.3944 Goferbroke Oil Company owns land that contains oil. A geological study shows that an exploratory oil well should have a 30% chance of striking oil. What is the probability that the first strike comes on the third well drilled? O 0.147 O0441 O 0.063 O 0.189
