The mean of a certain light bulb is 2.5 years with a standard deviation of 0.5 years. If this set of
The mean of a certain light bulb is 2.5 years with a standard deviation of 0.5 years. If this set of data fits a normal deviation, what is the probability that your light bulb will last between 3.0 and 4.0 years? Explain in words as well as stating the probability, and draw a picture of the appropriate Normal Curve.