A researcher is using a random numbers table to pick between two groups labeled

Question

A researcher is using a random numbers table to pick between two groups labeled X and Y. X is to be chosen with probability 5/7 and Y with probability 2/7. The researcher assigns the digits 1, 2, 3, 4, and 5 to X, and she assigns the digits 6 and 7 to Y. The remaining digits are neglected. The researcher uses this section of a random number table
7 9 1 4 6 8 2 0 6 4

What are the first and second choices?
A) The first selection is X, and the second is Y.
B) The first selection is Y, and the second is X.
C) The first selection is Y, and the second is Y.
D) The first selection is X, and the second is X.

Explanation / Answer

first is 7 which is Y second is 9 which is ignored third is 1 which is X So B) The first selection is Y, and the second is X.

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