The First National Mortgage Company has noted that 6% of its customers pay their mortgage payments after the due date. a. b. What is the probability that in a random sample of 150 customers 7 will be late on their payments? What is the probability that in a random sample of 150 customers at least 10 will be late on their payments? a) [Choose ] b) [Choose ] > > A random sample of ten examination papers in a course that was given on a pass or fail basis showed the following scores. Paper Number Grade Status 1 65 65 Pass 2 87 Pass 3 92 Pass 4 35 55 Fail 5 79 Pass 6 100 Pass 7 48 48 Fail 8 74 Pass 9 79 Pass 10 91 Pass a. What is the point estimate for the mean of the population? What is the point estimate for the standard deviation of the population? b. C. What is the point estimate for the proportion of all students who passed the course? The SAT scores have an average of 1200 with a standard deviation of 60. A sample of 36 scores is selected. a. b. C. d. What is the probability that the sample mean will be larger than 1224? What is the probability that the sample mean will be less than 1230? What is the probability that the sample mean will be between 1200 and 1214? What is the probability that the sample mean will be greater than 1200? [Choose ] b) [Choose ] [Choose ] d) [Choose ] In 2012, the average donation to the Help Way was $225 with a standard deviation of $45. In 2013, the average donation was $400 with a standard deviation of $60. In which year did the donations show a more dispersed distribution? CV for 2012 [Choose ] CV for 2013 [Choose ]