Question Before January semester 2017, Student's distance from home to a random university follows strictly a
normal distribution with mean of 15km and a variance of 5km.
a)Are the listed variables above a parameter or statistic?
b)in January semester 2017, the average travelling distance for 48 students fromhome to campus is 12.8km.
Can we conclude that these new students stayedmuch nearer compared to students from previous
semesters? Perform ahypothesis test at 9996 confidence.

What cylinder head operation is the technician performing in this figure?

The following selected circumstances relate to pending lawsuits for erismus, inc. erismus’s fiscal year ends on december 31. financial statements are issued in march 2019. erismus prepares its financial statements according to u.s. gaap. required: indicate the amount erismus would record as an asset, liability, or not accrued in the following circumstances. 1. erismus is defending against a lawsuit. erismus's management believes the company has a slightly worse than 50/50 chance of eventually prevailing in court, and that if it loses, the judgment will be $1,000,000. 2. erismus is defending against a lawsuit. erismus's management believes it is probable that the company will lose in court. if it loses, management believes that damages could fall anywhere in the range of $2,000,000 to $4,000,000, with any damage in that range equally likely. 3. erismus is defending against a lawsuit. erismus's management believes it is probable that the company will lose in court. if it loses, management believes that damages will eventually be $5,000,000, with a present value of $3,500,000. 4. erismus is a plaintiff in a lawsuit. erismus's management believes it is probable that the company eventually will prevail in court, and that if it prevails, the judgment will be $1,000,000. 5. erismus is a plaintiff in a lawsuit. erismus’s management believes it is virtually certain that the company eventually will prevail in court, and that if it prevails, the judgment will be $500,000.

Exercise 2-12 cost behavior; high-low method [lo2-3, lo2-4] speedy parcel service operates a fleet of delivery trucks in a large metropolitan area. a careful study by the company’s cost analyst has determined that if a truck is driven 120,000 miles during a year, the average operating cost is 11.6 cents per mile. if a truck is driven only 80,000 miles during a year, the average operating cost increases to 13.6 cents per mile. required: 1.& 2. using the high-low method, estimate the variable and fixed cost elements of the annual cost of truck operation. (round the "variable cost per mile" to 3 decimal places.)