MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- Treat the number of months X after January 1 that someone is born as uniformly distributed from 0 to 12. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U( b. Suppose that 37 people are surveyed. What is the distribution of for this sample? - N( c. What is the probability that the average birth month of the 37 people will be less than 6.9?arrow_forwardAnswer C D and Earrow_forwardThe average amount that people spend on take-out on Fridays is $67, and the standard deviation is $13. Assume that the distribution of money spent on take-out is normal, and suppose that the amount spent by 69 randomly selected people are recorded. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N b. What is the distribution of x? a N( c. For the sample of 69 people, find the probability that the average amount spent is between $66 and $70. > Next Question P Type here to search 立arrow_forward
- Find the are below 13 for a N(15,5) distributionarrow_forwardSuppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and standard deviation 7 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( 80 | 7 b. If one car is randomly chosen, find the probability that it is traveling more than 79 mph. c. If one of the cars is randomly chosen, find the probability that it is traveling between 82 and 87 mph. d. 71% of all cars travel at least how fast on the freeway? mph. Hint:arrow_forwardTreat the number of months X after January 1 that someone is born as uniformly distributed from 0 to 12. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U b. Suppose that 40 people are surveyed. What is the distribution of i for this sample? ī - N( c. What is the probability that the average birth month of the 40 people will be more than 5.1?arrow_forward
- I need help with b and carrow_forwardPlease only answer b c darrow_forwardA researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show the day of the week for n = 296 randomly selected accidents. Is there reason to believe that the accident occu with equal frequency with respect to the day of the week at the a = 0.05 level of significance? E Click the icon to view the table. Distribution of accidents Day of the Week Frequency Sunday Monday Tuesday Wednesday Thursday Friday Saturday o 39 37 31 40 39 51 59 Print Done Compute the expected counts for day of the week Day of the Week Observed Count Sunday Expected Count 39 Monday 37 Tuesday 31 Wednesday 40 Thursday 39 Friday 51 Saturday 59 (Round to two decimal places as needed.) ?) Question Viewer Enter your answer in the edit fields and then click Check Answer. Check Answer Clear All parts 3 remaining MacBook Air DD 12 80 888 F9 10 F7 FS F4 esc F2 F3 F1 & 2$ % de %3D @ # 7 8 1 3 4 Y Q W E R tab J K S D ns lock く .. .- つ エarrow_forward
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