Probability & Measures of Central Tendency
Solve the following problems showing your work:
In a poll, respondents were asked whether they had ever been in a car accident. 157 respondents indicated that they had been in a car accident and 117 respondents said that they had not been in a car accident. If one of these respondents is randomly selected, what is the probability of getting someone who has been in a car accident?
The data set represents the income levels of the members of a country club. Find the probability that a randomly selected member earns at least $88,000
total, 14 of them at or above $88,000 means the probability is:
In a certain class of students, there are 15 boys from Wilmette, 5 girls from Kenilworth, 9 girls from Wilmette, 6 boys from Glencoe, 2 boys from Kenilworth and 8 girls from Glencoe. If the teacher calls upon a student to answer a question, what is the probability that the student will be from Kenilworth?
Kids from Kenilworth / Total number of kids
(5 + 2) / (15+5+9+6+2+8) = 7/45 = .156
4. Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses are made and each...
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