Q2. After increased patrol, cars on a road travel at speeds averaging 55 km/h. If 93% ofvehicles travel below 68 km/h, what approximate standard deviation couldrepresent this model (assuming a normal model is appropriate)?a) 30.4b) 8.8c) 63.2d) 51.2e) -8.8

After increased patrol, cars on a road travel at speeds averaging 55 km/h.

Answered: Q2. After increased patrol, cars on 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

See similar textbooks

Similar questions

According to the table given below, for example, which of the following is its standard deviation? N mean St. Dev. SE mean T P16 26 ? 0,230 4,34 0,001 Group of answer choices A)0.042 B)2.60 C)1.25 D)0.92
Can you answer c,d, and e please
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 64 ounces and a standard deviation of 3 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 95% of the widget weights lie between oz and b) What percentage of the widget weights lie between 55 and 70 ounces? % c) What percentage of the widget weights lie below 67 ? %
Assume a local restaurant has surveyed its customers to determine the customer satisfaction using ratings of 1 to 4 where 4 is the highest rating. The following table shows the results: Rating Number of Customers 1 4 12 3 10 4 34 Given this data determine a) the mean customer rating and b) the standard deviation for the customer rating.
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 44 ounces and a standard deviation of 10 ounces. Use the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 24 and 74 ounces? c) What percentage of the widget weights lie above 34? Question Help: DVideo D Post to forum E Calculator Submit Question
The annual rainfall in a certain region is approximately normally distributed with mean 37 inches and standard deviation 5.3 inches. Use the Cumulative Z-Score Table to answer the questions below. Write your answers as a percent with two decimal places. Hint a) What percentage of years will have an annual rainfall of less than 44.42 inches? % b) What percentage of years will have an annual rainfall of more than 34.88 inches? % c) What percentage of years will have an annual rainfall of between 31.7 inches and 39.915 inches? %
Answer D for me
Based on data from the 2010 Census the average age of a Pierce County, Washington resident is 41 years with a standard deviation of 12.3 . The data is normally distributed. The median age, in years, is: a) 41 b) 38 c) 43 d) 33
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 35 ounces and a standard deviation of 10 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 68% of the widget weights lie between and b) What percentage of the widget weights lie between 5 and 45 ounces? c) What percentage of the widget weights lie below 55 ?
The speed limit of a road is 65 miles per hour. The speed of a car on the highway follows a normal distribution with a mean of 70 and standard deviation of 5. What percent of the distribution breaks the speed limit? A)0% B)34% C)84% D)100%
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 46 ounces and a standard deviation of 9 ounces.Use the Empirical Rule.Suggestion: sketch the distribution in order to answer these questions.a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 28 and 73 ounces? %c) What percentage of the widget weights lie above 37 ? %
Consider the numbers 1, 2, 3, 4 assigned to values of a variable. The variable being measured is most likely: a) quantitative b) qualitative c) one for which computing the standard deviation would likely be appropriate d) one for which computing the median would definitely be inappropriate e) a and c

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

Q2. After increased patrol, cars on a road travel at speeds averaging 55 km/h. If 93% vehicles travel below 68 km/h, what approximate standard deviation could represent this model (assuming a normal model is appropriate)? a) 30.4 b) 8.8 c) 63.2 d) 51.2 e) -8.8