A car manufacturer takes an average of 17.5 hours to construct a car. This includes time for stamping, welding, painting, assembly and inspections. Construction times vary with a standard deviation of 30 minutes and these times follow a normal distribution.
a. Find the construction time of a car, which is on the 10th percentile of this distribution.
b. What is the probability that a randomly selected car manufactured at this plant takes between 18 and 19 hours to construct?
c. Find the probability that the construction time for a randomly selected car manufactured at this plant is less than 17 hours and 50 minutes.
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02.09.15, 16:07
The Heart Disease study was conducted to investigate risk factors for
heart disease in older males. 250 males, all aged over 60 years were
selected for the study. Information was recorded on a number of
variable, including those described below, for each subject in the
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Dear gia. What is your question? Please add more information so that we could help you.
The Heart Disease study was conducted to investigate risk factors for heart disease in older males. 250 males, all aged over 60 years were selected for the study. Information was recorded on a number of variable, including those described below, for each subject in the
Leave a comment