Requesting help with dispersion statistics



Question 5 (1 point)

 Question 5 Unsaved


Given P(A) = 0.51, P(B) = 0.79, and P(A or B) = 0.66, are events A and B mutually exclusive?




Question 6 (1 point)

 Question 6 Unsaved


Given P(A) = 0.20, P(B) = 0.27, and P(B|A) = 0.20, are A and B independent or dependent?






Question 7 (1 point)

 Question 7 Saved


Snoopy Brown is interested in the number of businesses that do not allow dogs in St. Paul, MN.  To conduct his study, he randomly selects 100 businesses listed in the St. Paul phone book, calls them and asks their policy.  What is the sample of this study?




Question 8 (1 point)

 Question 8 Unsaved


Zaphod Beeblebrox has recently purchased a second-hand ballpoint pen business.  In the first month, they purchased the following pens.

Color Count
Black 582
Blue 651
Red 404
Green 106
UltraViolet 782
Purple 585

What is the relative frequency of green pens purchased?

Answer in decimal form.  Round to 3 decimal places as needed.




Question 9 (1 point)

 Question 9 Unsaved






Question 10 (1 point)

 Question 10 Unsaved


Compute the median of 39, 51, 31, 59, 18, 39

Round to 2 decimal places as needed




Question 11 (1 point)

 Question 11 Unsaved


Compute the median of 44, 26, 50, 38, 50, 18

Round to 2 decimal places as needed




Question 12 (1 point)

 Question 12 Unsaved


Compute the median of 33, 55, 15, 39, 49.

Round to 2 decimal places as needed.






Question 13 (1 point)

 Question 13 Unsaved


What is the range of the following: 63, 67, 50, 10, 55, 18

Round to 2 decimal places as needed.




Question 14 (1 point)

 Question 14 Unsaved


What is the range of the following: 11, 23, 51, 24, 67, 43

Round to 2 decimal places as needed.




Question 15 (1 point)

 Question 15 Unsaved


What is the range of the following: 17, 20, 43, 11, 18, 69

Round to 2 decimal places as needed.






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