A speed camera on Peterson Road records the speed of each passing vehicle. The speeds arefound to be normally distributed with a mean of 67 km h and a standard deviation of3.8 km h-1.A vehicle on Peterson Road is chosen at random.Find the probability that the speed of this vehicle is(i) more than 60 km h¯1;(ii) less than 70 km h-1;

Answered: Image /qna-images/answer/b8bffe98-4cc7-4450-ae4d-3c2a4455acec.jpg

Answered: A speed camera on Peterson Road records…

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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Similar questions

Find the probability that the mean for 20 randomly selected distances is greater than 195.70 cm.
Approximate the population mean and standard deviation of age for males. By the way, we are finding the midpoints by adding vertically by the first numbers before the hypens in the age column, and then dividing by 2 (ex: 0+10/2=5, 10+20/2=15, 20+30/2=25)
Suppose that the mean systolic blood pressure for women over age seventy is 133 mmHg (millimeters of mercury), with a standard deviation of 8 mmHg. Suppose that the blood pressures are normally distributed. Complete the following statements. (a) Approximately? mmHg and 157 mmHg. of women over seventy have blood pressures between 109 (b) Approximately 68% of women over seventy have blood pressures between mmHg and mmHg.
Assume that the distribution of a college entrance exam is normal with a mean of 500 and a standard deviation of 100. For each score below, find the equivalent Z score, the percentage of the area above the score, and the percentage of the area below the score. ( 3 each = total 6 points) Score Z score % Area Above % Area Below a) 437 b) 526
The total annual precipitation for a region is approximately normallydistributed with a mean of 1050 mm and a standard deviation of 400 mm. What isthe probability of an annual precipitation greater than 1050 mm but less than 1300? Answer = 19.5
The average amount of money spent for lunch per person in the college cafeteria is $6.24 and the standard deviation is $2.05. Suppose that 6 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.What is the distribution of ¯x?
With a mean of 10 and standard deviation of 5. Assume that the population data are normally distributed. Calculate the z-score for a raw score of 5. What proportion of the distribution is equal to or less than this score?
The mean systolic blood pressure in a certain population of men between the ages of 20 and 24 is known to be 120 mm Hg, with a standard deviation of 20 mm Hg.d) what proportion of readings fall between 100- and 140-mm Hg? e) what proportion of readings are less than 60mm Hg or greater than 180mm Hg?
Solve for C)
The masses of 250 students are normally distributed with mean 65kg and standard deviation 4kg. Then how many students have masses between 63kg and 73kg.
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1544 and the standard deviation was 314.The test scores of four students selected at random are 1940, 1290, 2250,and 1420.Find the z-scores that correspond to each value and determine whether any of the values are unusual. (Round to 2 decimal places as needed.)
The average net sales per year of the product vin 60 branches of the DH company is P85 million with a standard deviation of P15 million. Determine how many branches have a sales of below P60 million

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