A researcher is using a random number table to pick between two groups labelled X and Y. X is to be chosen with a probability of $5 / 7$ and Y with a probability of $2 / 7$ The researcher assigns the digits {1, 2, 3,
4, 5} to X and the digits {6, 7} to Y. The researcher uses this section of a random number table: $$6943047639$$ What are the first and second choices?
A) The first choice is X and the second choice is X
B) The first choice is X and the second choice is Y
C) The first choice is Y and the second choice is X
D) The first choice is Y and the second choice is Y

Question

Quizplus · Accepted Answer

The first digit is 6, which is assigned to Y, and the second digit is 9, which is not assigned to any group, so we move to the next digit, 4, which is assigned to X. Therefore, the first choice is Y and the second choice is X.

A Researcher Is Using a Random Number Table to Pick 5/75 / 75/7

A Researcher Is Using a Random Number Table to Pick $5 / 7$