A chemist is using 381 milliliters of a solution of acid and water. If 12.2% of the solution is acid, how many milliliters of ac
1 answer:
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First figure out his total bill by adding up what he buys.
Now subtract the discount of $20 since his purchase was above $100:
Now subtract the discount of $20 since his purchase was above $100:
Answer:
a. possible sample size is 10
b. mean is 3
c standard deviation is 0.9
Step-by-step explanation:
Mean of any given set of numbers is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers.
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
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