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Assume there are 13 homes in the Quail Creek area and 8 of them have a security system. Three homes are selected at random: a. What is the probability all three of the selected homes have a security system? (Round your answer to 4 decimal places.) Probability b. What is the probability none of the three selected homes has a security system? (Round your answer to 4 decimal places.) Probability c. What is the probability at least one of the selected homes has a security system? (Round your answer to 4 decimal places.) Probability d. Are the events dependent or independent? O Dependent O Independent O Joint

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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

Suppose that the proportions of blood phenotypes in a particular population are as follows:

A B AB O
0.49 0.08 0.01 0.42

Assuming that the phenotypes of two randomly selected individuals are independent of one another, what is the probability that both phenotypes are O? (Enter your answer to four decimal places.)


What is the probability that the phenotypes of two randomly selected individuals match? (Enter your answer to four decimal places.)

The weight of potatoes from a supermarket is evenly distributed between 6 and 9 ounces. A bag is filled with 10 of these randomly selected potatoes. What is the probability that the total weight of the bag is at least 5 pounds? (1 pound = 16 ounces)

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Write your answer in decimal by rounding to 4 decimal places, for example 0.0123

"Time headway" in traffic flow................

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Ā 

(a) Determine the value of k for which f(x) is a legitimate pdf.

(b) Obtain the cumulative distribution function.

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(e) What is the probability that headway is within 1 standard deviation of the mean value? (Round your answr to three decimal places).

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