Homework Answers
For exponential distribution, the mean is the reciprocal of its parameter. Therefore we have here:
we are to find x = k here such that:
Therefore 44.56 is the required value here.
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QUESTION 9 Given an exponentially distributed population with a mean of 148. 74% is the probability...
The weights of 9 year old male children are normally distributed population with a mean of...
The weights of 9 year old male children are normally distributed population with a mean of 80 pounds and a standard deviation of 17 pounds. Determine the probability that a random sample of 26 such children has an average less than 72 pounds. Round to four decimal places. QUESTION 8 A Test has scores that are normally distributed with a mean of 71 and a standard deviation of 15. Determine the probability that a random sample of 26 test scores...
5.4.17 Question Help The population mean and standard deviation are given below. Find the required probability...
5.4.17 Question Help The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 70, find the probability of a sample mean being greater than 220 if u = 219 and 6 = 3.5. For a sample of n = 70, the probability of a sample mean being greater than 220 if u = 219 and o = 3.5 is (Round...
Consider the approximately normal population of heights male college students with mean = 74 invhes and...
Consider the approximately normal population of heights male
college students with mean = 74 invhes and standard deviation = 6.2
inches. A random sample of 10 heights is obtained.
(b) Find the proportion of male college students whose height is greater than 74 inches (Give your answer correct to four decimal places.) X (c) Describe the distribution of x, the mean of samples of size 10. skewed right approximately normal skewed left chi-square (d) Find the mean of the x...
The population mean and standard deviation are given below. Find the indicated probability and determine whether...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability, For a sample of n=33, find the probability of a sample mean being less than 12,751 or greater than 12,754 when = 12,751 and 6 =2.4. For the given sample, the probability of a sample mean being less than 12,751 or greater than 12,754...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o =...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o = 28. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 40. The mean is :-), and the standard deviation is 0;=0 (Round to three decimal places as needed.) 5.4.2 Question Help A population has a meanu - 74 and a standard deviation = 8. Find the mean and standard deviation of a sampling distribution of...
The population mean and standard deviation are given below. Find the required probability and determine whether...
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual For a sample of a 70 find the probably of a sample mean being greater than 213 2 12 and 5.9 For a sample 70, the probability of a sample mean being greater than 213 Pound to four decimal places as needed) 212 and 595 Would the given Sample mean be considered unusual? The sample mean...
The population mean and standard deviation are given below. Find the indicated probability and determine whether...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability For a sample of n 40, find the probability of a sample mean being less than 12.752 or greater than 12.756 when 12,752 and 1.5. For the given sample, the probability of a sample mean being less than 12,752 or greater than 12,755 is...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual If convenient, use technology to find the probability For a sample of n = 35, find the probability of a sample mean being less than 12 749 or greater than 12,752 when = 12,749 and 22 For the given sample, the probability of a sample mean being less than 12,749 or greater...
The population mean and standard deviation are given below. Find the required probability and determine whether...
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual For a sample of n=70, find the probability of a sample mean being greater than 211 if p = 210 and 6 = 3.5. For a sample of n=70, the probability of a sample mean being greater than 211 if = 210 and a 3.5 is (Round to four decimal places as needed.) Would the given...
The population mean and standard deviation are given below. Find the required probability and determine whether...
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of =64 , find the probability of a sample mean being less than 22.2 if u=22 and =1.27. For a sample of =64, the probability of a sample mean being less than 22.2 if μ=22 and σ=1.27 is ____(Round to four decimal places as needed.) Would the given sample mean be considered unusual?...
5.4.17 Question Help The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 70, find the probability of a sample mean being greater than 220 if u = 219 and 6 = 3.5. For a sample of n = 70, the probability of a sample mean being greater than 220 if u = 219 and o = 3.5 is (Round...
Consider the approximately normal population of heights male
college students with mean = 74 invhes and standard deviation = 6.2
inches. A random sample of 10 heights is obtained.
(b) Find the proportion of male college students whose height is greater than 74 inches (Give your answer correct to four decimal places.) X (c) Describe the distribution of x, the mean of samples of size 10. skewed right approximately normal skewed left chi-square (d) Find the mean of the x...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability, For a sample of n=33, find the probability of a sample mean being less than 12,751 or greater than 12,754 when = 12,751 and 6 =2.4. For the given sample, the probability of a sample mean being less than 12,751 or greater than 12,754...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o = 28. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 40. The mean is :-), and the standard deviation is 0;=0 (Round to three decimal places as needed.) 5.4.2 Question Help A population has a meanu - 74 and a standard deviation = 8. Find the mean and standard deviation of a sampling distribution of...
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual For a sample of a 70 find the probably of a sample mean being greater than 213 2 12 and 5.9 For a sample 70, the probability of a sample mean being greater than 213 Pound to four decimal places as needed) 212 and 595 Would the given Sample mean be considered unusual? The sample mean...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability For a sample of n 40, find the probability of a sample mean being less than 12.752 or greater than 12.756 when 12,752 and 1.5. For the given sample, the probability of a sample mean being less than 12,752 or greater than 12,755 is...
The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual If convenient, use technology to find the probability For a sample of n = 35, find the probability of a sample mean being less than 12 749 or greater than 12,752 when = 12,749 and 22 For the given sample, the probability of a sample mean being less than 12,749 or greater...
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual For a sample of n=70, find the probability of a sample mean being greater than 211 if p = 210 and 6 = 3.5. For a sample of n=70, the probability of a sample mean being greater than 211 if = 210 and a 3.5 is (Round to four decimal places as needed.) Would the given...
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