AnswersProbability and Statistics with Applications Honors Sem-2-FL-1210300 2024-2025Cumulative Exam — Cumulative examQuestion 6
6
QuizMultiple Choice
Cumulative Exam — Cumulative exam
Question 6 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)
A ski resort claims that there is a 75% chance of snow on any given day in January and that snowfall happens independently from one day to the next. A family plans a four-day trip to this ski resort in January. Let X represent the number of days it snows while the family is there. What are the mean and standard deviation of X?
Answer
A
Mu Subscript x Baseline = 1, Sigma Subscript x Baseline = 1
B
Mu Subscript x Baseline = 2, Sigma Subscript x Baseline = 0.56
C
Mu Subscript x Baseline = 3, Sigma Subscript x Baseline = 0.75
D
Mu Subscript x Baseline = 3, Sigma Subscript x Baseline = 0.87