B.1) Let the random variable X represent the number of cars that are used for official business purposes on any given workday. The probability distribution for company A is 1 2 3 PA(X) 0.3 0.4 03 and for company B is 2 3 4 P8(x) 0.2 0.1 0.3 0.3 0.1 If daily records of car usage are examined on randomly selected 36 days from company A and 40 days from company B, find the probability that the difference between sample means of company A and B is greater than 0.6.

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B.1) Let the random variable X represent the number of cars that are used for official business purposes on
any given workday. The probability distribution for company A is
1
2
3
PA(X)
0.3
0.4
03
and for company B is
2
3
4
P3(x)
0.2
0.1
0.3
0.3
0.1
If daily records of car usage are examined on randomly selected 36 days from company A and 40 days
from company B, find the probability that the difference between sample means of company A and B is
greater than 0.6.
Transcribed Image Text:B.1) Let the random variable X represent the number of cars that are used for official business purposes on any given workday. The probability distribution for company A is 1 2 3 PA(X) 0.3 0.4 03 and for company B is 2 3 4 P3(x) 0.2 0.1 0.3 0.3 0.1 If daily records of car usage are examined on randomly selected 36 days from company A and 40 days from company B, find the probability that the difference between sample means of company A and B is greater than 0.6.
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