According to a report, 77.1% of murders are committed with a firearm. (a) If 100 murders are randomly selected, how many would we expect to be committed with a firearm? (b) Would it be unusual to observe 83 murders by firearm in a random sample of 100 murders? Why? .... (a) We would expect to be committed with a firearm. (b) Choose the correct answer below. O A. Yes, because 83 is between u – 20 and u + 20. B. No, because 83 is between u - 20 and u + 20. OC. No, because 83 is greater than p+ 20. O D. Yes, because 83 is greater than u+ 20. E. No. because 83 is less than u - 2g.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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part a and b

According to a report, 77.1% of murders are committed with a firearm.
(a) If 100 murders are randomly selected, how many would we expect to be committed with a firearm?
(b) Would it be unusual to observe 83 murders by firearm in a random sample of 100 murders? Why?
....
(a) We would expect
to be committed with a firearm.
(b) Choose the correct answer below.
O A. Yes, because 83 is between u – 20 and u + 20.
B. No, because 83 is between u - 20 and u + 20.
OC. No, because 83 is greater than p+ 20.
D. Yes, because 83 is greater than u+ 20.
O E. No, because 83 is less than u - 20.
Transcribed Image Text:According to a report, 77.1% of murders are committed with a firearm. (a) If 100 murders are randomly selected, how many would we expect to be committed with a firearm? (b) Would it be unusual to observe 83 murders by firearm in a random sample of 100 murders? Why? .... (a) We would expect to be committed with a firearm. (b) Choose the correct answer below. O A. Yes, because 83 is between u – 20 and u + 20. B. No, because 83 is between u - 20 and u + 20. OC. No, because 83 is greater than p+ 20. D. Yes, because 83 is greater than u+ 20. O E. No, because 83 is less than u - 20.
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