SOLUTION: Could someone help me with this? A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $100. Assume that the variable is normally

Algebra ->  Probability-and-statistics -> SOLUTION: Could someone help me with this? A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $100. Assume that the variable is normally      Log On


   



Question 1076405: Could someone help me with this?
A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $100. Assume that the variable is normally distributed.
3. Find the probability that a sample of 500 citizens will have a mean greater than $2000.

Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
Rothauserc has written an excellent explanation here:
https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1060679.html
.
(Hint: If you type your question into a search engine and add site:algebra.com, many standard questions have already been solved. That way, you can use your two questions a day for additional problems! :-))