Research show that gasoline use for vehicles is normally distributed, with a mean of 25.5miles per gallon (mpg) and a standard deviation of 4.5 mpg.What percentage of compacts get:a. less than 24 mpg?b. 30 mpg or more?c. between 20 and 28?Note: Round OFF only in the FINAL ANSWER. 3 decimal places. Example: (1.234)

Given : Research show that gasoline use for vehicles is normally distributed, with a mean of 25.5…

Answered: Research show that gasoline use for…

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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Fill in missing values in the following statements. The distribution of the lengths of long-stemmed roses is mound – shaped and symmetric with the mean stem length of 16 inches and standard deviation of 3 inches. According Empirical rule _______ percent of the long-stemmed roses have the lengths between 10 inches and 22 inches. _______ percent of long-stemmed roses have the lengths larger than 19 inches. _______ percent of long-stemmed roses have the lengths between 10 inches and 19 inches.
The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean u = $1.727 and standard deviation o = S1.041. E Click the icon to view the frequency distribution for the tax rates. Frequency distribution of cigarette tax rates The population mean is $ Tax Rate 0.00-0.49 0.50-0.99 1.00-1,49 1.50-1.99 2.00-2.49 2.50-2.99 3.00-3.49 3.50-3.99 Frequency D (Round to three decimal places as needed.) 5 15 The population standard deviation is S (Round to three decimal places as needed.) Compare these results to the values found using the actual data. O A. The grouped mean is slightly larger, while the grouped standard deviation is slightly smaller. O B. The grouped values are both slightly larger. O C. The grouped values are both slightly smaller. O D. The grouped mean is slightly smaller, while the grouped standard…
Assume a mean of 105 papers and a standard deviation of 15 papers. Pays 40¢ for each paper, paper sells for 90¢, how many papers should the newsperson carry. 108 109 105 110
From this table, compute the ff: Mean: A. 1.40 B. 1.96 C. 1.55 D. 4.12 E. 4.70 Standard deviation A. 1.40 B. 1.96 C. 1.55 D. 4.12 E. 4.70 *The table below shows the number of goals scored by Team Pinoy in the 20 games of the season.
with solution please
Frank measured the heights of the trees near his house. The heights (in feet) he recorded are 31, 41, 64, 107, 43, 32, 39, 41, 55, 39, 104, 53, 65. What is the range of tree height within one standard deviation of the mean? O 35 to 75 O 5 to 105 O 15 to 95 O 30 to 80 %23 M COST +1.71% nere to search F10 F11 F12 Prt Sc Insert Del F7 F8 F9 F5 F6 F4 Backspace 24 % 5 6 7 8 9
Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score Frequency 90 1 80 4 70 7 60 6 50 3
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
Please see attached.
suppose that peices of a gallon of mill at various stores in one town have amean of $3.75 with a stabdard deviation of $0.09 use chebyshev theourm what is the minimum percentage of stires that sell a gallon of milk for between $3.57 and $3.93 round your answer tk ine decimal place
What is the other name of Arithmetic Average? O a. Spread variability Ob. Mean O c. Median O d. Weighted mean
You wish to determine which of two brands of TVs is more expensive. You conduct the following sample, which suggests that Orion TVs are more expensive: Orion: ā = $318, sª = 12.6, п — 30 Luna: ā = $313, 8z = 15.1, n = 25 Define your variable: O Let p be the proprotion Orion TVs in the sample that cost more than Luna TVs. OLet u be the mean price of TVs, in dollars Let mu the mean price of Orion TVs, in dollars. Let u be the mean price of sampled TVs, in dollars. Write your hypotheses: Be sure to chose Group 1 to have the larger sample mean. Но: Opi – P2 = 0 O pi – P2 = 318 – 313 Ο μ-μ 5 µi - µ2 = 0 HA: Hi – µ2 > 0 O ui – u2 < 0 µi – µ2 = 5 Opi - - P2 = 318 – 313

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