Register
Sulfate content in water samples from a lake has a mean of 7.5 mg/L with a standard deviation of 1.5 mg/L. What is the probability that mean sulfate of 9 randomly selected water samples is below 7 mg/L?
3.5k views
3 votes
Sulfate content in water samples from a lake has a mean of 7.5 mg/L with a standard deviation of 1.5 mg/L. What is the probability that mean sulfate of 9 randomly selected water samples is below 7 mg/L?

0.0228


No enough information


0.1587


0.3694

User Brayn
by
8.6k points

1 Answer

2 votes

The correct answer is C.

User Dhdz
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!