In a survey, 25% of respondents said they watched football but not cricket, 15% said they watched cricket but not football, and 40% said they did not watch either game. If a respondent is chosen at random from amongst those who watch football, what is the probability that they also watch cricket?
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In a survey, 25% of respondents said they watched football but not cricket, 15% said they watched cricket but not football, and 40% said they did not watch either game.
If a respondent is chosen at random from amongst those who watch football, what is the probability that they also watch cricket?
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- According to the Federal Communications Commission, 70% of all U.S. households are using video streaming services. In a random sample of 15 households, what is the probability that at most 9 households are using video streaming services?40% of students said that orange is their favorite juice. As part of further analysis, a random sample of 20 students was taken and the participants were asked their favorite type of juice. What is the probability that half or more of them prefer orange juice?In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household.) Among the respondents, 202 answered "none," 289 said "one," 365 said "two," 149 said "three," and 43 responded with four or more. A survey respondent is selected at random. Find the probability that his/her household has four or more cell phones in use. Is it unlikely for a household to have four or more cell phones in use? Consider an event to be unlikely if its probability is less than or equal to 0.05. P(four or more cell phones) = (Round to three decimal places as needed.)
- In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household.) Among the respondents, 217 answered "none," 293 said "one," 369 said "two," 150 said "three," and 73 responded with four or more. A survey respondent is selected at random. Find the probability that his/her household has four or more cell phones in use. Is it unlikely for a household to have four or more cell phones in use? Consider an event to be unlikely if its probability is less than or equal to 0.05. P(four or more cell phones) =| (Round to three decimal places as needed.) Is it unlikely for a household to have four or more cell phones in use? A. No, because the probability of a respondent with four or more cell phones in use is greater than 0.05. B. Yes, because the probability of a respondent with four or more cell phones in use is greater than 0.05. O C. Yes, because the probability of a respondent with four or…According to national data, 20.7% of burglaries are cleared with arrests. A new detective is assigned to six different burglaries. What is the probability that at least one of them is cleared with an arrest?In a survey of students, 60% were in high school and 40% were in middle school. Of the high school students, 30% had visited a foreign country. If a surveyed student is selected at random, what is the probability that the student is in high school and has visited a foreign country? %
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