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Questions and Answers
What is the primary purpose of a two-way contingency table?
What is the primary purpose of a two-way contingency table?
What is the formula for calculating the probability of an event A?
What is the formula for calculating the probability of an event A?
What is the formula for calculating the conditional probability of A given B?
What is the formula for calculating the conditional probability of A given B?
What is the condition for independence between two events A and B?
What is the condition for independence between two events A and B?
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In a two-way contingency table, what do the rows represent?
In a two-way contingency table, what do the rows represent?
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What is the primary advantage of using a two-way contingency table?
What is the primary advantage of using a two-way contingency table?
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What is the purpose of marginal totals in a two-way contingency table?
What is the purpose of marginal totals in a two-way contingency table?
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What is the probability of event A if n(A) = 20, n(Total) = 100, and n(A and B) = 5?
What is the probability of event A if n(A) = 20, n(Total) = 100, and n(A and B) = 5?
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If two events A and B are independent, which of the following is true?
If two events A and B are independent, which of the following is true?
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What information is needed to calculate the probability of event A and event B?
What information is needed to calculate the probability of event A and event B?
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What is an advantage of using a two-way contingency table to analyze data?
What is an advantage of using a two-way contingency table to analyze data?
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If P(A) = 1/2 and P(B) = 1/3, what is the probability of A and B if they are independent?
If P(A) = 1/2 and P(B) = 1/3, what is the probability of A and B if they are independent?
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A company conducted a survey to determine the relationship between the age of a customer and the type of product they purchase. The results are shown in the table below. If the sample space consists of 200 customers, what is the probability that a customer is between 25 and 34 years old given that they purchased Product A?
A company conducted a survey to determine the relationship between the age of a customer and the type of product they purchase. The results are shown in the table below. If the sample space consists of 200 customers, what is the probability that a customer is between 25 and 34 years old given that they purchased Product A?
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A researcher is interested in determining the probability that a student will pass both Math and English exams. The results are shown in the table below. Which of the following is true if the probability of passing Math is 0.6 and the probability of passing English is 0.7?
A researcher is interested in determining the probability that a student will pass both Math and English exams. The results are shown in the table below. Which of the following is true if the probability of passing Math is 0.6 and the probability of passing English is 0.7?
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A study showed that 40% of the participants in a survey were males who smoke, and 20% were females who smoke. If the sample space consists of 100 participants, what is the probability that a participant is a male given that they smoke?
A study showed that 40% of the participants in a survey were males who smoke, and 20% were females who smoke. If the sample space consists of 100 participants, what is the probability that a participant is a male given that they smoke?
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A company conducts a survey to determine the relationship between the type of car owned and the level of education. The results are shown in the table below. Which of the following statements is true if the probability of owning a car is 0.8 and the probability of having a college degree is 0.6?
A company conducts a survey to determine the relationship between the type of car owned and the level of education. The results are shown in the table below. Which of the following statements is true if the probability of owning a car is 0.8 and the probability of having a college degree is 0.6?
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A researcher conducts a study to determine the relationship between the type of music listened to and the age of the listener. The results are shown in the table below. If the sample space consists of 150 participants, what is the probability that a participant is under 25 years old given that they listen to Rock music?
A researcher conducts a study to determine the relationship between the type of music listened to and the age of the listener. The results are shown in the table below. If the sample space consists of 150 participants, what is the probability that a participant is under 25 years old given that they listen to Rock music?
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A company conducts a survey to determine the relationship between the type of job and the level of education. The results are shown in the table below. If the probability of having a college degree is 0.5 and the probability of having a high school diploma is 0.3, what is the probability that a person has a college degree and a managerial job if they are independent?
A company conducts a survey to determine the relationship between the type of job and the level of education. The results are shown in the table below. If the probability of having a college degree is 0.5 and the probability of having a high school diploma is 0.3, what is the probability that a person has a college degree and a managerial job if they are independent?
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