Two independent experiments are run in which the drying time in hours of two different types of paint are recorded and compared. For paint A, there are nà hours, and known A = 400 specimens, with A = 5.1 0.9 hours. For paint B, there are nB = 400 specimens, with B = 4 hours, and known OB= 1.1 hours. = Find the probability P(X₁ XB > 1), where X₁ and A A XB are the average drying times for the given samples.
Two independent experiments are run in which the drying time in hours of two different types of paint are recorded and compared. For paint A, there are nà hours, and known A = 400 specimens, with A = 5.1 0.9 hours. For paint B, there are nB = 400 specimens, with B = 4 hours, and known OB= 1.1 hours. = Find the probability P(X₁ XB > 1), where X₁ and A A XB are the average drying times for the given samples.
A First Course in Probability (10th Edition)
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Transcribed Image Text:Two independent experiments are run in which the drying
time in hours of two different types of paint are recorded
and compared.
=
For paint A, there are nÃ
hours, and known A
=
400 specimens, with A = 5.1
0.9 hours. For paint B, there are
nB = 400 specimens, with B = 4 hours, and known
OB= 1.1 hours.
Find the probability PXA-XB> 1), where X₁ and
XB are the average drying times for the given samples.
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