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##### davenport stat500 week 3 quiz ch 4 and 5

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Question;?;Question 1;5 out of 5 points;A bag contains 4 red marbles, 3 blue marbles, and;7 green marbles. If a marble is randomly selected from the bag, what is the;probability that it is blue?;?;Question 2;5 out of 5 points;Of 1,735 people who came into a blood bank to;give blood, 373 people had high blood pressure. Estimate the probability that;the next person who comes in to give blood will have high blood pressure.;?;Question 3;0 out of 5 points;Find the indicated probability.;A study of consumer smoking habits includes 196 people in the 18-22 age;bracket (43 of whom smoke), 148 people in the 23-30 age bracket (37 or whom;smoke), and 96 people in;the 31-40 age bracket (23 of whom smoke). If one person is randomly selected;from this sample, find the probability of getting someone who is age 23-30 or;smokes.;?;Question 4;5 out of 5 points;Provide a written description of the complement;of the given event.;Of ten adults, at least one of them has high blood pressure.;?;Question 5;5 out of 5 points;Answer the question, considering an event to be;unusual" if its probability is less than or equal to 0.05.;Assume that one student in your class of 23 students in randomly selected to;win a prize. Would it be "unusual" for you to win?;?;Question 6;10 out of 10 points;Use the range rule of thumb to identify a range;of values containing the usual number of peas with green pods given the;following;? = 6.0 peas;? = 1.2 peas;Based on the result, is it unusual to get only one pea with a green pod?;?;Question 7;5 out of 5 points;To met the requirements of a probability;distribution, only ONE of the following must be met;1. The sum of all probabilities must be equal to 1.;2. Each probability value must be between 0 and 1 inclusive.;?;Question 8;5 out of 5 points;The probabilities that a batch of 4 computers;will contain 0, 1, 2, 3, and 4 defective computers are 0.4979, 0.3793;0.1084, 0.0138, and 0.0007, respectively. Find the mean of the given;probability distribution. Round your answer to the nearest hundredth.;?;Question 9;5 out of 5 points;The probabilities that a batch of 4 computers;will contain 0, 1, 2, 3, and 4 defective computers are 0.4979, 0.3793;0.1084, 0.0138, and 0.0007, respectively. Find the standard deviation for the;given probability distribution. Round your answer to the nearest hundredth.;?;Question 10;5 out of 5 points;Determine whether the given procedure results in;a binomial distribution. If not, state the reason why.;Choosing 5 people (without replacement) from a group of 34 people, of which;15 are women, keeping track of the number of men chosen.;?;Question 11;5 out of 5 points;A binomial probability distribution results from;a procedure that meets all of the following requirements EXCEPT

Paper#62363 | Written in 18-Jul-2015

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