About 31% of a population are of a particular ethnic group.130 people are randomly selected from this population.Round all answers to 3 decimal places.Convert the percentage of the population to a decimal:P:Compute the mean and standard of this size sample of this binomial distribution:Mean:Standard Deviation:Check Answer

Given,About 31% of a population are of a particular ethnic group.Sample size, n = 130

Answered: About 31% of a population are of a…

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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Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, variance, and standard deviation. If another value, 8.00, is added to those listed in the data set, do the measures of variation change much? Click the icon to view the table of magnitudes. Magnitudes Without the extra data value, the range is (Type an integer or decimal rounded to three decimal places as needed.) 3.28 2.82 2.83 1.96 1.70 2.55 O 2.45 3.40 3.95 1.59 2.91 1.63 2.53 2.42 2.97 2.93 3.99 2.54 2.43 1.83 2.17 2.35 2.00 3.01 2.80 3.86 2.93 2.08 1.86 2.35 2.38 3.45 3.43 1.55 2.54 1.49 2.19 3.09 2.28 3.25 1.98 1.91 2.42 2.95 2.14 2.33 2.56 2.89 1.48 1.91 2.68 1.81 3.65 2.70 1.45 3.61 3.14 2.57 1.51 1.41 2.83 2.87 2.18 1.67 3.21 1.39 1.75 2.35 1.14 2.36 2.48 1.79 2.00 3.03 1.94 2.42 1.86 2.25 2.33 3.17 4.01 2.08 1.49 2.31 2.33 2.56 2.59 2.21 2.75 2.45 2.73 3.58 2.81 2.80 3.25 1.76 4.68 3.23 2.38 2.00 3.83 2.39 2.85 3.38 2.69 2.31 2.83 2.78 2.43 2.34…
one z-score unit is equivalent to ______ of the distribution. a. the variance b. the range c. the standard deviation d. the mean e. the correlation coefficient
The accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupied year round. Approximate the mean and standard deviation square footage. Click the icon to view the data table. The mean square footage is x=. (Round to the nearest integer as needed.)
About 42% of a population are of a particular ethnic group. 150 people are randomly selected from this population. Round all answers to 3 decimal places. Convert the percentage of the population to a decimal: p: Compute the mean and standard of this size sample of this binomial distribution: Mean: Standard Deviation:
In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores fall between 71 and 83. What are the mean and standard deviation for this data?
The distribution of the number of hours that a random sample of people spend doing chores per week is shown in the pie chart. Use 32 as the midpoint for "30+ hours." Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the pie chart. First construct the frequency distribution. Weekly study hours Class Frequency, f 0-4 5-9 0-4 hours (3 people) 10-14 5-9 hours (14 people) 10-14 hours (19 people) 15-19 15-19 hours (21 people) 20-24 20-24 hours (14 people) O 25-29 hours (13 people) 25-29 30+ hours (4 people) 30+ Print Done
About 33% of a population are of a particular ethnic group. 200 people are randomly selected from this population. Round all answers to 3 decimal places. Convert the percentage of the population to a decimal: p: Compute the mean and standard of this size sample of this binomial distribution: Mean: Standard Deviation: > Next Question 19,033 DEC PAGES 16 tv MacBook Air
About 23% of a population are of a particular ethnic group.240 people are randomly selected from this population.Round all answers to 3 decimal places.Convert the percentage of the population to a decimal:p: Compute the mean and standard of this size sample of this binomial distribution:Mean: Standard deviation:
About 21% of a population are of a particular ethnic group.220 people are randomly selected from this population.Round all answers to 3 decimal places.Convert the percentage of the population to a decimal:p: Compute the mean and standard of this size sample of this binomial distribution:Mean: Standard Deviation:
In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores fall between 71 and 79. What are the mean and standard deviation for this data?
Find the mean of the data summarized in the given frequency distribution. The test scores of 40 students are summarized in the frequency distribution below. Find the mean score. Score Students 50-59 60-69 70-79 80-89 90-99 57728 12
Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to P34, the 84th percentile. This is the temperature reading separating the bottom 84% from the top 16%. Click to view page 1 of the table. Click to view page 2 of the table. Which graph represents P ? Choose the correct graph below. 84 A. В. OC. D. Ay X The temperature for P84 is approximately (Round to two decimal places as needed.)

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