C) At the end of the day, the records show that 140 customers made a purchase at the store that day. What are the mean and standard deviation of the number of customers who won a discount of at
least 30%?

Hellothe rates at which criminals are rehabilitated into society after their sentencinghope this

See diagram.we use washers to get the area and we will be integrating with respect to xouter radius is the  distance between y = e^x and y = -1    inner radius of washer is the distance between y = 1 and y = -1    the area of one cross-section of a washer is    solid lies between x = 0 and x = 2. the volume is    if you need this expanded, then    the question doesn't say to evaluate, so we're done.