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  1. G

    1) A random sample of 41 glass sheets is obtained & their thicknesses are measured.?

    1) A random sample of 41 glass sheets is obtained & their thicknesses are measured. The sample mean is x=3.24 mm and sample standard deviation is s=0.124 mm. a) Construct a 99% two-sided t-interval for the mean glass thickness. b) How many additional glass sheets should be sampled to construct...
  2. G

    If the speed of a car is increased by 75%, by what factor will its minimum

    braking distance be increased? assuming all else is the same? Ignore the driver's reaction time.
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