A population proportion is 0.59. Suppose a random sample of 661 items is sampled randomly from this population.Appendix A Statistical Tablesa. What is the probability that the sample proportion is greater than 0.60?b. What is the probability that the sample proportion is between 0.57 and 0.63?c. What is the probability that the sample proportion is greater than 0.57?d. What is the probability that the sample proportion is between 0.56 and 0.58?e. What is the probability that the sample proportion is less than 0.49?(Round values of z to 2 decimal places, e.g. 15.25 and final answers to 4 decimal places, e.g. 0.2513.)а.b.С.d.е.

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Answered: A population proportion is 0.59.…

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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You are given the following set of observations: 98, 77, 26, 33, 88, 90, 79, 81. What would be the mean for this distribution?
Suppose a random sample of 880 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Outcome Observed Frequency Math/Science 234 Arts & Humanities 240 Business & Economics 132 Other 274 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 31 Arts & Humanities 19 Business & Economics 30 Other 20
PRACTICE! A population consists of five values: 2, 3, 4, 5, and 6. A sample of size 2 is to be taken from the population. How many samples are possible? Construct the sampling distribution of the sample means. Compute for the mean and standard deviation of the sampling distribution.
Review the data that appears: A population is made up of N= 5, these being 1, 3, 5, 6 and 7. • If a sample of size n= 3 is selected without replacement, construct the sampling distribution for the sample median. Help yourself in this step with the following table and in the anthology. • Prepare the probability histogram of the sample median. Sample 1 2 3 456 5 789 10 Sample values 1,3,5 1,3,6 1,3,7 1,5,6 1,5,7 1,6,7 3,5,6 3,5,7 3,6,7 5,6,7 X (Mean) m (Median)
Suppose a random sample of 968 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Observed Frequency Outcome Math/Science 225 Arts & Humanities 247 Business & Economics 251 Other 245 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Expected Percent Outcome Expected Frequency Math/Science 20 Arts & 25 Humanities Business & 25 Economics Other 30
What effect does increasing the sample size have on the probability? Provide an explanation for this result. Choose the correct answer below. A. The probability increases because the variability in the sample mean decreases as the sample size increases. B. The probability increases because the variability in the sample mean increases as the sample size increases. C. The probability decreases because the variability in the sample mean increases as the sample size increases. D. The probability decreases because the variability in the sample mean decreases as the sample size increases.
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Suppose a random sample of 824 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Outcome Observed Frequency Math/Science 185 Arts & Humanities 206 Business & Economics 264 Other 169 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 24 Arts & Humanities 22 Business & Economics 21 Other 33
K The population of ages at inauguration of all U.S. Presidents who had professions in the military is 62, 46, 68, 64, 57. Why does it not make sense to construct a histogram for this data set? Choose the correct answer below. O A. With a data set that is so small, the true nature of the distribution cannot be seen with a histogram. OB. There must be an even number of data values in the data set to create a histogram. OC. This data set would yield a histogram that is not bell-shaped. O D. Adequate class boundaries for a histogram cannot be found with this data set.
Suppose a random sample of 816 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Outcome Observed Frequency Math/Science 134 Arts & Humanities 233 Business & Economics 191 Other 258 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 21 Arts & Humanities 26 Business & Economics 35 Other 18
A population consists of the four numbers: 2, 3, 6, and 9. You have to consider all possible samples of size 2 that can be drawn from this population. Find the following: 1. List all of the possible sample of size of 2. 2. Compute the mean of each sample 3. Identify the probability of each sample 4. Illustrate the histogram
The Census Bureau gives this distribution for the number of people in American households in 2016. Family size 1 2 4 6. 7 Proportion 0.28 0.35 0.15 0.13 0.06 0.02 0.01 Note: In this table, 7 actually represents households of size 7 or greater. But for purposes of this exercise, assume that it means only households of size exactly 7. Suppose you take a random sample of 4000 American households. About how many of these households will be of size 2? Sizes 3 to 7? The number of households of size 2 is about The number of households of size 3 to 7 is about

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