题目
题目

OSC 2030-009 Fall 2025 SUBMIT: Graded Homework Module 3 (Chap 4)

单项选择题

Based on weather data collected in Racine, Wisconsin, on Christmas Day, the weather had the following distribution: Event Relative Frequency Clear & dry 0.20 Cloudy & dry 0.30 Rain 0.40 Snow 0.10 Based on the data, what is the probability that next Christmas will be rainy or cloudy and dry?

选项
A.0.60
B.0.70
C.0.50
D.0.45
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标准答案
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思路分析
To tackle this, first identify the events of interest from the given distribution: Rain and Cloudy & Dry. Option values provided are: 0.60, 0.70, 0.50, 0.45. We want the probability that next Christmas will be rainy or cloudy and dry. Since these two events are mu......Login to view full explanation

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位置4的问题 Please match the items on the left with the appropriate equation on the right. Note that not all items on the right will be used. 提示1The probability of A提示1The probability of A的答案[input]提示2This gives the range of values of a discrete distribution and the associated probabilities提示2This gives the range of values of a discrete distribution and the associated probabilities的答案[input]提示3The probability of A union B提示3The probability of A union B的答案[input]提示4This summarizes the relationship between two variables提示4This summarizes the relationship between two variables的答案[input]可能的答案Contingency TableProbability VortexP(A U B)Probability Mass FunctionP(A and B)P(A)

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