The Body Paint, an automobile body paint shop, has determined that the painting time of automobiles is uniformly distributed and that the required time ranges between 45 minutes to 1.5 hours.

• Giveamathematicalexpressionfortheprobabilitydensityfunctionofpaintingtime.

Draw a graph for the probability density function

• What is the probability that the painting time will be less than or equal to one hour?