Compute the probabilities and fit a posson distribution for the following data :No. of accidents :134No. of days :4035156.4CS Scanned with CamScanner

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Answered: Compute the probabilities and fit 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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An insurance company has a policy which insures a house against fire. The records of one particular period of 30 days yielded the following results. C. Number of claims 1 2 3 4 5 or more No of days 8 11 4 1 i. Fit a Poisson distribution to this data. ii. Calculate the expected frequencies for this Poisson distribution.
The daily high temperature for the month of August in Chicago is normally distributed with a mean of 70 degrees and a standard deviation of 5 degrees. QUESTION 1 What is the probability that a randomly selected August day in Chicago will have a high temperature below 85 degrees? Use the given normal distribution curve below to help you label and shade the correct picture for this problem. O A. 0.9987 О в. 0.0013 OC.0.4987 O D. 0.0087 Save All Answers Save and Submit Click Save and Submit to saue and submit. Click Save All Answers to save all answers. 6:35 PM e Type here to search 11/30/202 10/05/17 F1 F2 F3 F4 F5 F6 F7 F8 PrtSc Insert Delete F9 F10 F11 F12 C@ & 3 5 6 7 080 9- Backspace Num Lock T Y U 1 PI 00 Home + II S4 LI 2
A county has been experiencing a mean of 33.8 motor vehicle deaths each year. Use the Poisson distribution to answer the following. a. Find the mean number of deaths per day. b. Find the probability that on a given day, there are more than 2 motor vehicle deaths. c. Is it unusual to have more than 2 motor vehicle deaths on the same day? Why or why not? a. The mean number of deaths per day is (Round to three decimal places as needed.)
Suppose that the speed at which cars go on the freeway is normally distributed with mean 78 mph and standard deviation 9 miles per hour. Let X be the speed for a randomly selected car. a. What is the distribution of X? X N( b. If one car is randomly chosen, find the probability that it is traveling more than 75 mph. Round to 4 decumal places. c. If one of the cars is randomly chosen, find the probability that it is traveling between 81 and 87 mph. Round to 4 decimal places.
Suppose that the speed at which cars go on the freeway is normally distributed with mean 67 mph and standard deviation 9 miles per hour. Let X be the speed for a randomly selected car.a. What is the distribution of X? X ~ N( ? , ? )b. If one car is randomly chosen, find the probability that it is traveling more than 65 mph. Round to 4 decumal places. ?c. If one of the cars is randomly chosen, find the probability that it is traveling between 69 and 74 mph. Round to 4 decimal places. ?
Aleks spins a 9 sided spinner 56 times. Each of the nine sides has a different colour on it. He records the number of times that he spins the colour purple. Is it reasonable to approximate this distribution with a normal distribution? Give a reason.
Check all that apply to Interval Scale of Measurement Equal units / intervals Most information out of all scales of measurement. Has absolute zero Is very common in daily life. Has a sense of greater and less Has a relative zero.
in "a" the blank is "z" and "t" distribution
Here are four pairs of normal distributions. In each pair the right one (blue) represents one group and the left one (red) represents another group. Which pair represents the largest "effect size"; that is, which one has the largest Cohen's d score? O The top one The second one down The third one The bottom one
Suppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and standard deviation 10 miles per hour. Let X be the speed for a randomly selected car. a. What is the distribution of X? X - N( b. If one car is randomly chosen, find the probability that it is traveling more than 79 mph. Round to 4 decumal places. c. If one of the cars is randomly chosen, find the probability that it is traveling between 83 and 86 mph. Round to 4 decimal places.
Which of the following distributions would be most likely to have a tail, and why? A. The GPAs of NMSU students, because some students have a 4.0. B. Class scores on a quiz, with 10 points possible, because the most common scores are 7, 8, and 9. C. The time it takes to install a new piece of computer software, because usually it’s quick, but occasionally it takes hours or even days. D. The amount of money you spend each month on food, because food prices change a little from day to day, and sometimes things are on sale.
Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random sample of n = 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Below are the resulting observations, along with a boxplot and normal probability plot.

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Compute the probabilities and fit a posson distribution for the following data No. of accidents : No. of days : 1 2 3 4 40 35 15 4