The absolute tolerance is +-0.001 Suppose that 20 malicious software instances arereported. Assumethatphemalicious sources can be assumed ta be independent.la) What is the probability that at least one instance is "Klez? Round youranswerta four decimal places (eg 98.7654).(b) What is the probability that five or more instances are Kllez? Round youranswerto four decimal places (eg. 98.7654).(c) What is the mean of the number of "Klez instances among the 20reported Round your answer to two decimal places (e.g. 98.76).i(d) What is the standard deviation of the numberof "Klez instances among the 2p reparted? Round your answer ta two decinal places(e.g. 98.76). An article in Information Security Technical Report ["Malicious Software-Past, Present and Future (2004. Vol. 9. pp. 6–18)] providedthe following data on the top ten malicious software instances fopr 2002. The dear leader in the number of registered incidences for theyear 2002 was the Internet worm"Klez" and it is still one of the most widespread threats. This virus was first detected on 26 October2001, and it has held the top spot among malicious software forthe longest period in the history of virology.Place Name% InstancesWorm.Klez59.76%WormLentin18.05%Worm Tanatos5.54%4.Worm Badtrans!!128%Macro Word97.Thus 150%WormHybris0.17%Worm Bridex0.90%Worm Magistr0.48%Win95.CIH0.34%10I-Worm Sircam11.98%Suppose that 20 malicious softuarainrt

Given that n =20 , p(klez ) = 0.5976 find the ( a ) P( X > =1 ) =? ( b )P(X> =5 ) =? (c ) Mean…

Suppose that 20 malicious software instances are reported. Assumethatahe iciqus sources can be assurmed ta be independent. (a) What is the probability that at least one instance is "Klez? Round youranswerto four decimal places (eg. 98.7654). i (b) What is the probability that five or more instances are Klea2 Raund youranswerto four decimal places (e.g. 98.7654). (c) What is the mean of the number of "Klez" instances among the 20reported? Round your answer to twa decimal places (eg. 98.76). (d) What is thestandard deviation of the numnber of "Klez iS (e.g. 98.76). sthe 20 reported? Round your answer to two decimal places

Suppose that 20 malicious software instances are reported. Assumethatahe iciqus sources can be assurmed ta be independent. (a) What is the probability that at least one instance is "Klez? Round youranswerto four decimal places (eg. 98.7654). i (b) What is the probability that five or more instances are Klea2 Raund youranswerto four decimal places (e.g. 98.7654). (c) What is the mean of the number of "Klez" instances among the 20reported? Round your answer to twa decimal places (eg. 98.76). (d) What is thestandard deviation of the numnber of "Klez iS (e.g. 98.76). sthe 20 reported? Round your answer to two decimal places

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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