Mathematics, 04.11.2020 04:10 m3lp3l
A survey of licensed drivers inquired about running red lights. One question asked, "Of every 10 motorists who run a red light, about how many do you think will be caught?" The mean result for 880 respondents was ¯x= 1.92. Suppose we know that σ = 1.83. Compute a 95% confidence interval for the mean opinion in the population of all licensed drivers. (Round your answer to the nearest hundredth.)
Answers: 2
= Sample mean
= population standard deviation
= Critical z value for confidence interval c.
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A survey of licensed drivers inquired about running red lights. One question asked, "Of every 10 mot...
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