4
QuizMultiple Choice

Unit Test — Unit test

Question 4 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)

Sisters Amilia and Bianca play games together often. Let A represent the number of games Amilia wins monthly, and let B represent the number of games Bianca wins monthly. A and B are independent events. The mean of A is 35.7 games with a standard deviation of 5.1 games, and the mean of B is 37.3 games with a standard deviation of 6.8 games. What is the mean and standard deviation of the total number of games won, S = A + B?

Answer
A
= 54.4 games and = 3.4 games.
Option A
B
= 54.4 games and = 11.9 games.
Option B
C
= 73.0 games and = 8.5 games.
Option C
D
= 73.0 games and = 11.9 games.
Option D
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