Question

A student entering a doctoral program in educational psychology is required to select courses from the list of courses provided as part of his or her program.
​(a) List all possible ​-course selections.
​(b) Comment on the likelihood that EPR 674 and EPR 657 will be selected.

​(b) There is a ___ in ___ chance that these courses will be selected.

Answer 1

A.   A student entering a doctoral program in educational psychology is required to select two courses (from 10 selections)from the list of courses provided for his or her program.

B.  There is a 1  in 10 chance that these courses will be selected.

What is the selection about?

A. All possible two course selections will be:

5$C_{2}$ = 10

So the course selection will be:

(622,602); (622, 684); (622, 679);  (622, 646); (646, 602); (646, 679)

(646,684);  (602, 684); (602, 679); (679, 684).

B. The Likelihood that EPR 646 and EPR 679 will be chosen will be:

From the data given, EPR 646 and EPR 679 can be selected only once.

Hence, the likelihood =1/10 or 0.1

Therefore, For question A.   A student entering a doctoral program in educational psychology is required to select two courses (from 10 selections)from the list of courses provided for his or her program. While for B.  There is a 1  in 10 chance that these courses will be selected.

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