Question

Percentile--------------------------Speed 100%------------Max--------------34.060 97.5%-------------------------------30.976 90.0%-------------------------------28.978 75.0%----------Q3---------------- 25.785 50.0%---------Median----------- 23.525 25.0%--

Percentile--------------------------Speed
100%------------Max--------------34.060
97.5%-------------------------------30.976
90.0%-------------------------------28.978

75.0%----------Q3---------------- 25.785
50.0%---------Median----------- 23.525
25.0%------------Q1---------------21.547  
10.0%-------------------------------19.163

2.5%---------------------------------16.638
0%-------------Min-----------------16.270

The mean of 100 car speeds is 23.84 mph, with a standard deviation of 2.56 mph. a. Using a normal model, what values should border the middle 95% of all car speeds? b. Here are some summary statistics.

Math   Statistics-And-Probability   
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