Counting and Probability 2. A grade 9 student may build a timetable by selecting one course for each period, with no dup
Posted: Mon Jul 11, 2022 12:49 pm
Counting and Probability
2. A grade 9 student may build a timetable by selecting onecourse for each period, with no duplication of courses. Period 1must be science, geography, or physical education. Period 2 must beart, music, French, or business. Periods 3 and 4 must each bemathematics or English. ( 6 marks)
a) Construct a tree diagram to illustrate the choices for astudent’s timetable.
b) How many different timetables could a student choose?
2. A grade 9 student may build a timetable by selecting onecourse for each period, with no duplication of courses. Period 1must be science, geography, or physical education. Period 2 must beart, music, French, or business. Periods 3 and 4 must each bemathematics or English. ( 6 marks)
a) Construct a tree diagram to illustrate the choices for astudent’s timetable.
b) How many different timetables could a student choose?