The amount of pollutants that are found in waterways near large cities is normally distributed with...
The amount of pollutants that are found in waterways near large cities is normally distributed with mean 9.7 ppm and standard deviation 1.6 ppm. 38 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ N(,) What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) What is the probability that one randomly selected city's waterway will have less than 10.4 ppm pollutants? For the 38 cities, find...
The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.9 ppm and standard deviation 1.4 ppm. 6 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ N(,) What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) What is the probability that one randomly selected city's waterway will have less than 8.5 ppm pollutants? For the 6 cities, find...
The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.8 ppm and standard deviation 1.8 ppm. 35 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. What is the distribution of X ? X ~ N( , ) What is the distribution of ¯ x ? ¯ x ~ N( , ) What is the probability that one randomly selected city's waterway will have more than...
The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and a standard deviation of 6 ounces. 13 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. What is the distribution of m?T-NG c. What is the probability that one randomly selected person drinks between 14 and 16 ounces of coffee per day? d. For the 13 people,...
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 4.5 ounces. 9 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. What is the distribution of a? T-N c. What is the probability that one randomly selected person drinks between 15.5 and 17.5 ounces of coffee per day? d. For the 9...
The amount of coffee that people drink per day is normally
distributed with a mean of 16 ounces and a standard deviation of 5
ounces. 18 randomly selected people are surveyed. Round all answers
to 4 decimal places where possible.
I don't have a calculator so I have been doing this in Excel. If
I can get the explanation using excel that would be great!
The amount of coffee that people drink per day is normally distributed with a mean...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.3 month. 16 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-NO b. What is the distribution of ? -NG c. What is the probability that one randomly selected person learned to walk when the person was between 10 and 12 months old?...
please round to 4 decimal places
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 5 ounces. 15 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. What is the distribution of X? X N b. What is the distribution of 7 -N c. What is the probability that one randomly selected person drinks between 15.5 and 17 ounces of coffee...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.5 month. 11 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-NG b. What is the distribution of ? - N c. What is the probability that one randomly selected person learned to walk when the person was between 10 and 12 months...
please kindly make solution and answers visible. thanks
The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and a standard deviation of 4.5 ounces. 15 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-NG b. What is the distribution of ? : -N c. What is the probability that one randomly selected person drinks between 13 and 14.5...