An insurance company finds that each week an average of 5 claims are filed in their Shah Alam branch. What is the probability that during the next week: 2. (a) exactly 3 claims will be filed? of 35 (b) no claims will be filed? at least 3 claims will be filed? EAR abeeq g (c) through cred

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Chapter1: Combinatorial Analysis
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no. 2

Given that E(X) =.
,find:
a)
the values of the constants a and b.
the variance of X.
the expected value and standard deviation for Y, where Y =- 5X + 4.
SELECTED EXERCISE 8
A manufacturer knows that on the average_12% of the radios produced require repairs
within 1 year after they are sold. When 20 radios are randomly selected, find the
1.
probability that at most two of them will require repairs within 1 year after they are sold.
2.
An insurance company finds that each week an average of 5 claims are filed in their
Shah Alam branch. What is the probability that during the next week:
e (a)
exactly 3 claims will be filed?
(b)
no claims will be filed?
at least 3 claims will be filed?
EART abee g
(c)
3. At a certain shopping mall, 55% of the customers make payments through credit
2 cards. For a random sample of 20 customers, find the probability that the number of
credit cards is between 7 and 10.
Transcribed Image Text:Given that E(X) =. ,find: a) the values of the constants a and b. the variance of X. the expected value and standard deviation for Y, where Y =- 5X + 4. SELECTED EXERCISE 8 A manufacturer knows that on the average_12% of the radios produced require repairs within 1 year after they are sold. When 20 radios are randomly selected, find the 1. probability that at most two of them will require repairs within 1 year after they are sold. 2. An insurance company finds that each week an average of 5 claims are filed in their Shah Alam branch. What is the probability that during the next week: e (a) exactly 3 claims will be filed? (b) no claims will be filed? at least 3 claims will be filed? EART abee g (c) 3. At a certain shopping mall, 55% of the customers make payments through credit 2 cards. For a random sample of 20 customers, find the probability that the number of credit cards is between 7 and 10.
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