Answer:
Sorry this is late, but it could help future people. Answers are in the picture.
Step-by-step explanation:
I took the quiz. :)
Answer:
the answer is 17
wlecome
Step-by-step explanation:
Answer:
36 and 6. 2.
Step-by-step explanation:
Answer:
(0.4958, 0.7422)
Step-by-step explanation:
Let p be the true proportion of water specimens that contain detectable levels of lead. The point estimate for p is . The estimated standard deviation is given by . Because we have a large sample, the 90% confidence interval for p is given by where is the value that satisfies that above this and under the standard normal density there is an area of 0.05. So, the confidence interval is , i.e., (0.4958, 0.7422).
Answer:
0.16666666666
Step-by-step explanation: