1. From a sample, a dealership company sells the following number of cars per day: 13, 8, 16, 10, 12, 8, 10, 17
2. a)Find the mean, median and mode.
3. b)Find the variance and standard deviation.
4. c)Find the coefficient of variation.
5. d)Find the 80thpercentile.
6. e)The shareholders of the company

3. A research at Centennial demonstrated that 75% of students have part-time jobs. In a group of 12 students:

a) What is the probability that 5 students or less have part-time jobs? b) What is the probability that 7 students or more have part-time jobs? c) What is the probability that exactly 9 students have part-time jobs?

Please attach solution. Thank you