Natural Gas bills in a certain city have mean $119.34. Assume the bills are normally distributed...
Natural Gas bills in a certain city have mean $119.34. Assume the bills are normally distributed with standard deviation $13.23. Find the value that separates the lower 34% of the bills from the rest
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Natural Gas bills in a certain city have mean $119.34. Assume
the bills are normally distributed...
natural gas bills in a certain city have mean $77.47 assume the bills are normally distributed...
natural gas bills in a certain city have mean $77.47 assume the bills are normally distributed with standard deviation $12.96 find the value that seperates the lower 59% of the bills from the rest
9) Electricity bills in a certain city have mean $104.88. Assume the bills are normally distributed...
9) Electricity bills in a certain city have mean $104.88. Assume the bills are normally distributed with standard deviation $12.40. A sample of 69 bills was selected for an audit. Find the 38 percentile for the sample mean. Round to two decimal places. 10) According to one survey, the mean serum cholesterol level for US adults was 197.4 with a standard deviation 51.9. A simple random sample of 96 adults is chosen. Find the 46 percentile for the sample mean....
electricity
Electricity bills in a certain city have mean $ 122.92 . Assume the bills are normally distributed with standard deviation $ 19.02 . Find the value that separates the lower 50 % of the bills from the rest.
Question 9 (1 point) Saved Electricity bills in a certain city have mean $ 123.76. Assume the bills are normal...
Question 9 (1 point) Saved Electricity bills in a certain city have mean $ 123.76. Assume the bills are normally distributed with standard deviation $ 18.20. A sample of 60 bills was selected for an audit. Find the 44 percentile for the sample mean. Write only a number as your answer. Round to two decimal places (for example: 42.81). Do not write any units. Your Answer: Answer
(CO 5) The monthly utility bills in a city are normally distributed with a mean of...
(CO 5) The monthly utility bills in a city are normally distributed with a mean of $121 and a standard deviation of $41. Find the probability that a randomly selected utility bill is between $110 and $130.
The monthly utility bills in a city are normally distributed, with a mean of $100 and...
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $81 and $110, and (c) more than $120.
The monthly utility bills in a city are normally distributed with a mean of $100 and...
The monthly utility bills in a city are normally distributed with a mean of $100 and a standard deviation of $12 find the probability that a randomly selected utility bill is A) less than $69 B) between $90 and $100 and C) more than $110
7. The monthly utility bills in a city are normally distributed with a mean of $100...
7. The monthly utility bills in a city are normally distributed with a mean of $100 and a standard deviation of $12. If 300 utility bills are randomly selected, about how many would you expect to be more than $90?
Assume that the electric bills of Southern California Edison are normally distributed with a mean of...
Assume that the electric bills of Southern California Edison are normally distributed with a mean of $100 and a standard deviation of $15. Find the bill amount such that 20% of the households have a bill higher than this amount.
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected (a) less than $70. (b) between $85 and $100, and (c) more than $110. (a) The probability that a randomly selected utility bill is less than $70 is _______
Question 9 (1 point) Saved Electricity bills in a certain city have mean $ 123.76. Assume the bills are normally distributed with standard deviation $ 18.20. A sample of 60 bills was selected for an audit. Find the 44 percentile for the sample mean. Write only a number as your answer. Round to two decimal places (for example: 42.81). Do not write any units. Your Answer: Answer
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