3 The probability of Ben completing his Maths homework on any night is 1/3.The probability that he completes his English homework is 1/4. These are both independent events. a In the space below, draw a probability tree diagram to represent this information b. Calculate the probability that Ben completes both pieces of homework c. Calculate the probability that Ben completes exactly one piece of homework

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.