- 2 Average Lives Of Televisions From Two Different Manufacturers A And B Are To Be Com Pared From Past Data It Is K 1 (17.59 KiB) Viewed 125 times
2. Average lives of televisions from two different manufacturers (A and B) are to be com- pared. From past data, it is k
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2. Average lives of televisions from two different manufacturers (A and B) are to be com- pared. From past data, it is k
2. Average lives of televisions from two different manufacturers (A and B) are to be com- pared. From past data, it is known that average lives of these televisions are A = 34 months and = 30 months, and the standard deviations are = 3 and 4. Random samples from each of these two manufacturers are selected. Find the probability that the sample mean of 100 televisions from manufacturer A will be at least 5 months more than the sample mean of 100 televisions from manufacturer B. [In other words, find P(XA-XB>5). particular route.