ack 11 of 11

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 19E
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12:22
< Вack
11 of 11
On average, 1 in 800 computer crashes during a severe thunderstorm. A
certain company had 4,000 working computers when the perspective area was
hit by a severe thunderstorm.
(b)
i.
Compute the expected value and variance of the number of crashed
computers.
(5 marks)
ii.
Find the probability that less than 10 computers have crashed.
MOHAMOUD ABDULLAHI
today at 12:22 PM
Transcribed Image Text:12:22 < Вack 11 of 11 On average, 1 in 800 computer crashes during a severe thunderstorm. A certain company had 4,000 working computers when the perspective area was hit by a severe thunderstorm. (b) i. Compute the expected value and variance of the number of crashed computers. (5 marks) ii. Find the probability that less than 10 computers have crashed. MOHAMOUD ABDULLAHI today at 12:22 PM
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