The number of ants per acre in the forest is normally distributed with mean 45,289 and...
The number of ants per acre in the forest is normally distributed with mean 45,289 and standard deviation 12,340. Round answer to three decimal places. Find the probability that a randomly selected acre has between 35,000 and 50,000 ants.
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The number of ants per acre in the forest is normally
distributed with mean 45,289 and...
The number of ants per acre in the forest is normally distributed with mean 42,000 and...
The number of ants per acre in the forest is normally distributed with mean 42,000 and standard deviation 12.263. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-NO b. Find the probability that a randomly selected acre in the forest has fewer than 28,594 ants. c. Find the probability that a randomly selected acre has between 32,065 and...
The number of ants per acre in the forest is normally distributed with mean 42,000 and...
The number of ants per acre in the forest is normally distributed with mean 42,000 and standard deviation 12,109. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( , ) b. Find the probability that a randomly selected acre in the forest has fewer than 41,459 ants. c. Find the probability that a randomly selected acre...
Due Thu 07/30/2020 11:59 pm The number of ants per acre in the forest is normally...
Due Thu 07/30/2020 11:59 pm The number of ants per acre in the forest is normally distributed with mean 43,000 and standard deviation 12.046. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible a. What is the distribution of X?X-N b. Find the probability that a randomly selected acre in the forest has fewer than 29,536 ants. c. Find the probability that a randomly selected acre...
Suppose that the miles-per-gallon (mp) rating of passenger cars is normally distributed with a mean and...
Suppose that the miles-per-gallon (mp) rating of passenger cars is normally distributed with a mean and a standard deviation of 36.6 and 3.7 mpg, respectively. [You may find it useful to reference the z table.J a. What is the probability that a randomly selected passenger car gets more than 37 mpg? (Round" final answer to 4 decimal places.) value to 2 decimal places, and b. What is the probability that the average mpg of three randomly selected passenger cars is...
The heights of pecan trees are normally distributed with a mean of 10 feet and a...
The heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet. Show all work. Just the answer, without supporting work, will receive no credit. (a) What is the probability that a randomly selected pecan tree is between 9 and 12 feet tall? (Round the answer to 4 decimal places) (b) Find the 80th percentile of the pecan tree height distribution. (Round the answer to 2 decimal places) (a) For a...
Heights of 13 year old males in the USA are normally distributed with a mean of...
Heights of 13 year old males in the USA are normally distributed with a mean of 60 inches and a standard deviation of 2 inches. Find the probability that a randomly selected 13 year old male in the USA has a height more than 58 inches. (Write your answer as a decimal number, rounded to the nearest hundredth) Heights of 13 year old males in the USA are normally distributed with a mean of 60 inches and a standard deviation...
The amount of coffee that people drink per day is normally distributed with a mean of...
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...
Assume that women's heights are normally distributed with a mean given by h = 63.7 in,...
Assume that women's heights are normally distributed with a mean given by h = 63.7 in, and a standard deviation given by o = 3.1 in. Complete parts a and b. a. If 1 woman is randomly selected, find the probability that her height is between 63.6 in and 64.6 in. The probability is approximately (Round to four decimal places as needed.) b. If 20 women are randomly selected, find the probability that they have a mean height between 63.6...
Assume that women's heights are normally distributed with a mean given by u = 63.7 in,...
Assume that women's heights are normally distributed with a mean given by u = 63.7 in, and a standard deviation given by o = 3.1 in. Complete parts a and b. a. If 1 woman is randomly selected, find the probability that her height is between 63.6 in and 64.6 in. The probability is approximately (Round to four decimal places as needed.) b. If 20 women are randomly selected, find the probability that they have a mean height between 63.6...
The mean daily production of a herd of cows is assumed to be normally distributed with...
The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 32 liters, and standard deviation of 8.8 liters. A) What is the probability that daily production is between 10.7 and 50.4 liters? Do not round until you get your your final answer. Answer= (Round your answer to 4 decimal places.) Warning: Do not use the Z Normal Tables..they may not be accurate enough since WAMAP may look for more accuracy than...
The number of ants per acre in the forest is normally distributed with mean 42,000 and standard deviation 12.263. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-NO b. Find the probability that a randomly selected acre in the forest has fewer than 28,594 ants. c. Find the probability that a randomly selected acre has between 32,065 and...
Due Thu 07/30/2020 11:59 pm The number of ants per acre in the forest is normally distributed with mean 43,000 and standard deviation 12.046. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible a. What is the distribution of X?X-N b. Find the probability that a randomly selected acre in the forest has fewer than 29,536 ants. c. Find the probability that a randomly selected acre...
Suppose that the miles-per-gallon (mp) rating of passenger cars is normally distributed with a mean and a standard deviation of 36.6 and 3.7 mpg, respectively. [You may find it useful to reference the z table.J a. What is the probability that a randomly selected passenger car gets more than 37 mpg? (Round" final answer to 4 decimal places.) value to 2 decimal places, and b. What is the probability that the average mpg of three randomly selected passenger cars is...
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...
Assume that women's heights are normally distributed with a mean given by h = 63.7 in, and a standard deviation given by o = 3.1 in. Complete parts a and b. a. If 1 woman is randomly selected, find the probability that her height is between 63.6 in and 64.6 in. The probability is approximately (Round to four decimal places as needed.) b. If 20 women are randomly selected, find the probability that they have a mean height between 63.6...
Assume that women's heights are normally distributed with a mean given by u = 63.7 in, and a standard deviation given by o = 3.1 in. Complete parts a and b. a. If 1 woman is randomly selected, find the probability that her height is between 63.6 in and 64.6 in. The probability is approximately (Round to four decimal places as needed.) b. If 20 women are randomly selected, find the probability that they have a mean height between 63.6...
The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 32 liters, and standard deviation of 8.8 liters. A) What is the probability that daily production is between 10.7 and 50.4 liters? Do not round until you get your your final answer. Answer= (Round your answer to 4 decimal places.) Warning: Do not use the Z Normal Tables..they may not be accurate enough since WAMAP may look for more accuracy than...
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