The mean life of a television set is 119 months with a standard deviation of 13 months. If a sample of 67 televisions is randoml
y selected, what is the probability that the sample mean would differ from the true mean by less than 2 months? Round your answer to four decimal places.
1 answer:
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Answer:
△RST ~ △RYX by the SSS similarity theorem. Which ratio is also equal to RT/RX and RS/RY ?
A.XY/TS
B.SY/RY
C.RX/XT
D.ST/YX
Step-by-step explanation:
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