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2. A sample of size n is taken from the ponulation which has an unknown distribution with mean and standard deviation and is used for the sample mean distribution. For which of the following sample sizes is this valid? A. 2 В. 29 С. 75 D anu of he giuen choices

2. A sample of size n is taken from the ponulation which has an unknown distribution with mean and standard deviation and is used for the sample mean distribution. For which of the following sample sizes is this valid? A. 2 В. 29 С. 75 D anu of he giuen choices

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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M 2. A sample of size n is taken from the population which has an unknown distribution with mean and standard deviation and is used for the sample mean distribution. For which of the following sample sizes is this valid? Jars on an A. 2 С. 75 D. any of the given choices В. 29 - 3. Samples size of 36 are selected from the population with mean 29 and standard deviation of 12. The value of the standard error is e population is A. 2 C. 8 В. 4 D. 12 dual 4. Consider a normal population mean of 82 and population standard deviation of 7.3. Calculate the z-score for X = 85 and n = 36. %3D ppropriate А. 2.19 В. 2.47 C. -2.19 D. 2.47 For questions 5-8. In a certain barangay, Local Government Unit (LGU) distributes "ayuda" benefits to each family with a mean of 3,200 pesos per month with a standard deviation of 850 pesos. A random sample of 32 families are taken, what is the probability that the average "ayuda" benefits distributed is between 3,000 and 3,500 pesos? district. selected 5. What is the value of the mean of the sample means? eans are С. 3,200 D. 3,500 A. 850 aple means. В. 3,000 cror of the 6. What is the value of the standard deviation of the sampled population? A. 150 В. 850 C. 1,000 D. 1,200 mal when 7. Which of the following probability notations represents the z-scores, if the average ayuda benefits distributed is between 3,000 and 3,500? A. P(3,000<z< 3, 500) B. P(3,000>z>3, 500) C. P( -1.33 <z<2) D. P(-1.33 >z>2) deviation 8. What is the probability that the average ayuda benefits distributed is between 3,000 and 3,500? C. 90.82% A.. 9.18% D. 96.33% B. 88.55% Chapter Three Sampling and Sampling Distributions 85
Transcribed Image Text:M 2. A sample of size n is taken from the population which has an unknown distribution with mean and standard deviation and is used for the sample mean distribution. For which of the following sample sizes is this valid? Jars on an A. 2 С. 75 D. any of the given choices В. 29 - 3. Samples size of 36 are selected from the population with mean 29 and standard deviation of 12. The value of the standard error is e population is A. 2 C. 8 В. 4 D. 12 dual 4. Consider a normal population mean of 82 and population standard deviation of 7.3. Calculate the z-score for X = 85 and n = 36. %3D ppropriate А. 2.19 В. 2.47 C. -2.19 D. 2.47 For questions 5-8. In a certain barangay, Local Government Unit (LGU) distributes "ayuda" benefits to each family with a mean of 3,200 pesos per month with a standard deviation of 850 pesos. A random sample of 32 families are taken, what is the probability that the average "ayuda" benefits distributed is between 3,000 and 3,500 pesos? district. selected 5. What is the value of the mean of the sample means? eans are С. 3,200 D. 3,500 A. 850 aple means. В. 3,000 cror of the 6. What is the value of the standard deviation of the sampled population? A. 150 В. 850 C. 1,000 D. 1,200 mal when 7. Which of the following probability notations represents the z-scores, if the average ayuda benefits distributed is between 3,000 and 3,500? A. P(3,000<z< 3, 500) B. P(3,000>z>3, 500) C. P( -1.33 <z<2) D. P(-1.33 >z>2) deviation 8. What is the probability that the average ayuda benefits distributed is between 3,000 and 3,500? C. 90.82% A.. 9.18% D. 96.33% B. 88.55% Chapter Three Sampling and Sampling Distributions 85
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