Rick has 20 hot wheels, of those cars 5/6 are rare. How many Hot wheels does he have that are NOT rare?

After the rule change between 2006 and 2007 that permitted teams to prepare their own footballs, new fumble statistics were accumulated for the 8 years from 2007 thru 2014. Once again, the average fumbles per touch for each of 23 teams during this time period are given below: The numbers are the actual numbers. They are not just invented for this assignment. 36,38,40,40,44,44,44,44,46,46,46,46,48,48,48,48,50,50,50,52,52,56,74. During the 2007-2014 period, the New England Patriots fumbled the ball one time for every 74 touches. Conduct a z-test that tests whether it is reasonable to think that the Patriots had no particular competitive advantage on fumbling during the time period 2007-2014.

The City Animal Control Department found out that 25 of the 90 squirrels that they trapped and relocated to Wolfe Island had been tagged. It was also known a total of 1200 squirrels had been tagged in Kingston that season. Estimate the size of the squirrel population in Kingston?

in the us 1 person out of every 600 is in the navy and one sisth of naval personall are officers find the fraction of the us population that consists of naval officers or if this cannot be determined from the information given state the fact