Solution Found!
A spinner can land in any of four positions, A, B, C, and
Chapter 2, Problem 142E(choose chapter or problem)
A spinner can land in any of four positions, A, B, C, and D, with equal probability. The spinner is used twice, and the position is noted each time. Let the random variable Y denote the number of positions on which the spinner did not land. Compute the probabilities for each value of Y .
Questions & Answers
QUESTION:
A spinner can land in any of four positions, A, B, C, and D, with equal probability. The spinner is used twice, and the position is noted each time. Let the random variable Y denote the number of positions on which the spinner did not land. Compute the probabilities for each value of Y .
ANSWER:Step 1 of 3
Given that a spinner can land in any four positions, A, B, C, D, with equal probability.
The spinner is used twice, then the sample space is given by
S = { AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, DA, DB, DC, DD}
Let Y denote the number of positions on which the spinner did not land.