Crime: Murder What are the chances that a person who is murdered actually knew the murderer? The answer to this question explains why a lot of police detective work begins with relatives and friends of the victim! About 64% of people who are murdered actually knew the person who committed the murder (Source: Chances: Risk and Odds in Everyday Life, by James Burke). Suppose that a detective file in New Orleans has 63 current unsolved murders.  What is the probability that (a) at least 35 of the victims knewtheir murderers?(b) atmost 48 of the victims knew their murderers?(c) fewer than 30 victims did not know their murderers?(d) more than 20 victims did not know their murderers?

Question

Crime: Murder What are the chances that a person who is murdered actually knew the murderer? The answer to this question explains why a lot of police detective work begins with relatives and friends of the victim! About 64% of people who are murdered actually knew the person who committed the murder (Source: Chances: Risk and Odds in Everyday Life, by James Burke). Suppose that a detective file in New Orleans has 63 current unsolved murders.  What is the probability that

(a) at least 35 of the victims knewtheir murderers?
(b) atmost 48 of the victims knew their murderers?
(c) fewer than 30 victims did not know their murderers?
(d) more than 20 victims did not know their murderers?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Other

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: n  1995 , the average duration of long-distance telephone calls originating in one town was  7.7 ...

A: Answer : This is a two tailed hypothesis.

Q: Please help with calculating the % error. Thank you.

A: Introduction: From the given data, it can be understood that "g" is the same as "x" given in the dat...

Q: The head of a computer science department is interested in estimating the proportion of students ent...

A: Solution: From the given information, confidence level is 0.95, p=0.35 and E=0.10.

Q: All airplane passengers at the Lake City Regional Airport must pass through a security screening are...

A: Given that All airplane passengers at the Lake City Regional Airport must pass through a security sc...

Q: I've rewritten the items so that the values mentioned in the x-axis can be clearly seen. thanks!

A: Using the given information on three normal curves, the correct decision rule and decision should be...

Q: Statistics Question

A: We have to find out given probability..

Q: Consider the following time series data Week 1 2 3 4 5 6 Value 18 13 16 11 17 14 a. Construc...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: Below is the distribution for a data set.   x P(x) 3 0.54 4 0.04 6 0.16 9 0.13 11...

A: Solution:  

Q: Which of the following values cannot be probabilities? 0.07, 1.48, 5/3, 0, /2, 3/5, -0.49, 1 Select ...

A: Answer : 1.48, 5/3, √2, -0.49 Values are not probability.