You take random sample of 200 200
people from Salinas and find that their average income is $48,000
$
48
,
000
per year with a standard deviation of $9000
$
9000
. Also assume that population incomes are normally distributed.
Approximately how many people make between $39,000
$
39
,
000
and $57,000
$
57
,
000
?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Find the cosine function that is represented in the graph.

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?