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a Amazon.com :Ringside, x??myUT C Secure https:/blackboard.utdLedu/webapps/as QUESTION 3 jso?course-assessmentid«J81599.M course-id?88934Janew.mempet According to te emproal nie, the bel or mord shaped dstb nonnd hwe apparately ea% ofthe data win--what knee astoaaaatsaans mean? O a one standard deviation ?b.two standard devatios hree standand deviations O d four standard deviations ?e.none of the above QUESTION 4 A random sample of 5 mosquitos is sampled. The number of mosquitos carrying the West Nile Virus in the sample is an example of which type of random variable? a. Normal CBinomal 8 None of the above QUESTION S A political scientist is studying voters in Califoria it is appropriate for him to use a mean or average. to desobe d ge age of a typical voter Chck Save and Subit to save and submit Click Save All Aners ove all ansers Save All Answers MacBook Air

Explanation / Answer

Question 3

68% of the values will all within one standard deviation of the mean. Hence, option a)

Question 4

A random variable that contains a single bit of information: success/yes/true/one (with probability p) and failure with probability (1-p) is a binomial random variable. Here, in the sample, we are concerned about whether the mosquitoes carry West Nile Virus. Hence, it is a binomial random variable. Thus, option c).

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