The perimeter of a rectangular playing field is 244 feet. if its length is 2 feet longer than twice its width, what are the dimensions of the field?
a. 20 ft./41 ft.
b. 21 ft./40 ft.
c. 40 ft./82 ft.
d. 42 ft./80 ft.

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?