 Mathematics
Probability ............. 15

### Question Description

It has been reported that 60% percent of all internet users have been attacked by viruses. If 14 people are randomly surveyed,find the following probabilities .

A- at least 6 have been attacked

B no more than 3 have been attacked

C-less than 12 hba The easiest way to do this problem is to use a binomial distribution table.

For a), n = 14, p = .6, x = 0, 1, 2 ,3,4,5

For b), n = 14, p = .6, x = 0, 1, 2, 3

For c), n = 14, p = .6, x = 12, 13, 14
After calculation , we get these values

A. Probability of  Atleast 6 have been Attacked = 1- 0.058 = 0.942

B. Probability no more than 3 have been attacked = 0.0039

C. Probability of less than 12 hba = 1 -  0.0397 = 0.9603 AnkitP (446)
Carnegie Mellon University Anonymous
I was on a very tight deadline but thanks to Studypool I was able to deliver my assignment on time. Anonymous
The tutor was pretty knowledgeable, efficient and polite. Great service! Anonymous
I did not know how to approach this question, Studypool helped me a lot. Studypool 4.7 Trustpilot 4.5 Sitejabber 4.4 Brown University

1271 Tutors California Institute of Technology

2131 Tutors Carnegie Mellon University

982 Tutors Columbia University

1256 Tutors Dartmouth University

2113 Tutors Emory University

2279 Tutors Harvard University

599 Tutors Massachusetts Institute of Technology

2319 Tutors New York University

1645 Tutors Notre Dam University

1911 Tutors Oklahoma University

2122 Tutors Pennsylvania State University

932 Tutors Princeton University

1211 Tutors Stanford University

983 Tutors University of California

1282 Tutors Oxford University

123 Tutors Yale University

2325 Tutors