Question: Time left 1:49:18 Based on consumer reports, replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation

Time left 1:49:18 Based on consumer reports, replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years, and replacement times for CD players are normally distributed with a mean of 7.1 years and a standard deviation of 1.4 years. a. What percent of TV sets have a replacement time between 6 years and 7 years? (Round to three decimal places) b. What percent of TV sets have a replacement time of more than 10 years? (Round to three decimal places) C. What percent of CD players have a replacement time of more than 10 years? (Round to three decimal places) d. What replacement time for CD players would represent the 90th Percentile? (Round to one decimal place) e, Which replacement time is in the higher percentile: a TV replacement time of 8.5 years or a CD player replacement time of 7.3 years
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