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Q3. According to the Magazine Publishers of America, the average visit at the magazines' web sites during the fourth quarter of 2007 lasted 4.145

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Q3. According to the Magazine Publishers of America, the average visit at the magazines' web sites during the fourth quarter of 2007 lasted 4.145 minutes. Forty-six randomly selected visits to magazine's web sites during the fourth quarter of 2009 produced a sample mean visit of 4.458 minutes, with a standard deviation of 1.14 minutes. Using the 10% significance level, can you conclude that the length of an average visit to these web sites during the fourth quarter of 2009 was longer than 4.145 minutes?

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