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Awebsite reports that 60% of their users are from outside the United States and that 40% of their users log on to their website every
Awebsite reports that 60% of their users are from outside the United States and that 40% of their users log on to their website every day, Suppose that 20% of their users are United States users who log on every day. Complete parts a through e below. a) What percentage ofthe website'a users are trom the United Stats? The percentage of the website's users that are from the United States is %. b) What type of probability is the 20% mentioned above? 0 marginal probability 0 empirical probability 0 personal probability 0 Joint probability c) Construct a contingency table showing all the joint and marginal probabilities. Assign user from the United States and users from outside the United States to the columns. Assign users who log on every day user and users who do not log on every day to the rows. United Not Unltod status states Total Log on every day Do not log on every day Total (Do not round.) d) What is the probability that a user is from the United States given that he or she logs on every day? The probability that a user ls from the United States given that he or she logs on every day Is (Round to three decimal places as needed.) 9) Are From United States and Log on Every Day independent? Explain. Choose the correct answer below. 0 A. Ves, because the conditional probability that the individual Is from the United States given they log on every day Is not equal to the probability the Individual Is from the United States. 0 B. No, because the conditional probability that the individual is from the Unimd States given they log on every day is not equal to the probability the individual is from the United States. 0 C. Yes. because the conditional probability that the individual is from the United States given they log on every day is equal to the probability the individual is from the United States. 0 D. No, because the conditional probability that the individual is from the United States given they log on every day is equal to the probability the individual is from the United States
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