AnswersProbability and Statistics with Applications Honors Sem-2-FL-1210300 2024-2025Unit Test — Unit testQuestion 14
14
QuizMultiple Choice
Unit Test — Unit test
Question 14 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)
A produce company packages presliced celery and carrots. Let X represent the length of a slice of celery, and let Y represent the length of a slice of carrot. X and Y are independent events. The mean of X is 2.5 inches with a standard deviation of 0.6 inches, and the mean of Y is 2.25 inches with a standard deviation of 0.4 inches. What is the mean and standard deviation of the difference, D = X – Y?
Answer
A
= –0.25 inches and = 0.2 inches
B
= –0.25 inches and = 0.45 inchesC
= 0.25 inches and = 0.52 inchesD
= 0.25 inches and = 0.72 inches