Find the required probability and determine whether the given sample mean would be considered unusual. for a sample of nequals=75, find the probability of a sample mean being greater than 219 if muμequals=218 and sigmaσequals=6.2\.

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.

The equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 5/9 degree celsius. a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit. a temperature increase of 5/9 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius. a) i only b) ii only c) iii only d) i and ii only