**Question 25: Poisson Distribution Variance**Lettuce Eat, a vegan restaurant in Vancouver, averages 20 customers per hour each morning. If the number of customers per hour follows a Poisson distribution, what would the variance of the distribution be?- ○ 400- ○ 4.47- ○ 60- ○ 20**Explanation:**In a Poisson distribution, the variance is equal to the mean. Since the mean number of customers per hour is 20, the variance of this distribution is also 20. Therefore, the correct answer is the last option: 20.

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Answered: 25. Lettuce Eat, a vegan restaurant in…

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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Which statement correctly compares the shapes of the distributions? Class Sizes at East Valley HS Class Sizes at Northview HS 10 10- 8 2. 0. 14 16 18 20 22 24 26 28 30 32 14 16 18 20 22 24 26 28 30 32 Frequency
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9a. For binomially distributed data set, approximately what proportion would be below the mean and also within one standard deviation? 16.5%,25%,33%,50%,66%
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8. On the first Saturday in May, the Kentucky Derby takes place at Churchill Downs in Louisville, Kentucky. A total of 20 horses race in the Kentucky Derby, and they race around a track that is 1.25 miles long. The graph below shows the speeds (in miles per hour, or mph) for all 123 horses who have won the Kentucky Derby from 1896 through 2018. a. Describe the shape, center and variability of the distribution of speeds. Frequency 30 25 20 15 10- 5- 0 b. The 2018 winner of the Kentucky Derby was Justify. Justify had a speed of 36.23 mph. Is 36.23 mph a low, high, or typical amount of this distribution? Please explain. c. Approximately what percentage of winners in this distribution have speeds that are greater than or equal to 37 mph? 33.75 34.50 35.25 36.00 36.75 37.50

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25. Lettuce Eat, a vegan restaurant in Vancouver, averages 20 customers per hour each morning. If the number of customers per hour followed a Poisson distribution, what would the variance of the distribution be? 400 O 4.47 60 20