Answered: New-Homes Prices If the average price… | bartleby

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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New-Homes Prices If the average price of a new one-family home is
$246,300 with a standard deviation of $15,000, find the minimum and maximum
prices of the houses that a contractor will build to satisfy the middle 44% of
the market. Assume that the variable is normally distributed. Round z-value
calculations to 2 decimal places and final answers to the nearest dollar.
Minimum price: $
Maximum price: $

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Answer true or false to each statement. Give reasons for your answers. a. Two variables that have the same mean and standard deviation have the same distribution.b. Two normally distributed variables that have the same mean and standard deviation have the same distribution.
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. 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 histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
Calculus The height of 700 boys are found to approximately follow such a distribution, with a mean height of 148 cm and a standard deviation of 19 cm. Find the number of boys with heights between 129 cm and 167 cm.
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. 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. W Click the icon to view the histogram. .. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 25- 24 20- |14 15- 10- 17 5- X 48.5 70.5 92.5 114.5 136.5 158.5
Please solve a, b, and c. Note: Please explain and show steps for solutions especially for part c.
Suppose that the average number of miles driven by a student is 15,000 and the standard error is 5000 miles. Find the interval of miles within which 99% of the drivers fall.
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find P25, which is the IQ score separating the bottom 25% from the top 75%. Round your answer to nearest tenth.
A chemical engineer ending his shift at the factory noticed that the time is between 3 and 4 o’clock. Fifteen minutes later, he noticed that the minute hand of the clock was already ahead of the hour, a deviation from the previous position when he ended his shift where the minute was behind the hour hand. What is the exact time when he ended his shift?a. 3 : 16 : 00.0b. 3 : 08 : 51.6c. 3 : 19 : 03.1d. 3 :17 : 42.3e. None of these
Determine each statement is Type I error, Type II error, or no error. You reject the null hypothesis that the mean amount of soda in all cans of soda is at least 11 oz. The true mean is 11.07 oz. Suppose you fail to reject the null hypothesis that the mean lifetime of a battery is at least 50 hours. The true mean is 51.3 hours. Suppose you fail to reject the null hypothesis that the mean diameter of a bolt is at most 10 cm. The true mean is 10.02 cm.
solve a b c
Complete each table and solve for the mean, variance and standard deviation. Show solution

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