The histogram showsthe distribution ofhurricanes that have hita country from 1851through 2015, where 1is the weakest level and5 is the strongest level.(a) Find the mean,variance, and standarddeviation of theprobability distribution.(b) Interpret the results.Probability0.5-0.40.3-0.20.1-0.0-0.4121Hurricanes0.26720.2223Category(a) The mean is(Type an integer or a decimal. Do not round.)0.08940.0105Q

Category (X)12345Probability (P(X))0.4120.2670.2220.0890.010

Answered: The histogram shows the distribution of…

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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The histogram shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level and 5 is the strongest level. (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. Hurricanes 123450.00.10.20.30.40.5CategoryProbability0.4070.2870.2260.0680.012 A histogram titled Hurricanes has a horizontal axis labeled Category from 1 to 5 in increments of 1 and a vertical axis labeled Probability from 0 to 0.5 in increments of 0.05. The histogram contains vertical bars of width 1, where one vertical bar is centered over each of the horizontal axis tick marks. The heights of the vertical bars are as follows, where the category is listed first and the height is listed second: 1, 0.407; 2, 0.287; 3, 0.226; 4, 0.068; 5, 0.012. Each bar is labeled with its height. (a) The mean is nothing. (Type an integer or a decimal. Do not…
The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book. (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. (a) The mean is (Type an integer or a decimal. Do not round.) The variance is (Round to two decimal places as needed.) The standard deviation is (Round to two decimal places as needed.). (b) Interpret the results. Select all that apply. A. The typical rating deviates from the mean by about 4. B. The average rating for the book is approximately 1. C. The typical rating deviates from the mean by about 1. D. The average rating for the book is approximately 4. Probability 0.5- 0.4 0.2 0.1- 0.0 0.020 Reviewer Ratings 0.084 -N 2 0.214 0.239 -00 3 Rating 14 0.443 Fin Q O S
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects 0 1 2 3 4 5 Probability 0.260 0.290 0.234 0.161 0.037 0.018 (a) Find the mean, variance, and standard deviation of the probability distribution.
The number of defects per 1000 machine parts inspected Defects 0 1 2 3 4 5 Probability 0.262 0.302 0.234 0.148 0.038 0.016 (a) Find the mean, variance, and standard deviation of the probability distribution.
Find the mean, variance and standard deviation for the probability distribution given below: X -5 2 12 10 P(X) 0.553 0.136 0.213 0.098
Pavn
The random variable X is the crew size of a randomly selected shuttle mission. Its probability distribution is shown below. Complete parts a through c. 2 5 6 7 8 D 4 0.045 0.306 P(X=x) 0.025 0.187 0.431 0.006 ... a. Find and interpret the mean of the random variable. μ= 5.947 (Round to three decimal places as needed.) Interpret the mean. Select the correct choice below and fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. The average number of persons in a shuttle crew is 5.947 person(s). OB. The most common number of persons in a shuttle crew is person(s). b. Obtain the standard deviation of the random variable. O (Round to three decimal places as needed.) Check answer Help me solve this View an example Get more help. 30 20 F10 F4 MacBook Air F6 DII FB Clear all DD F9
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 0 1 2 3 4 5 6 7 Probability 0.057 0.124 0.164 0.178 0.210 0.128 0.086 0.053 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the results. The mean is so the average student is involved in (Round to one decimal place as needed.) ... The standard deviation is so the typical number of activities per student
Use the probability distribution to complete parts (a) and (b) below. Next question The number of defects per 1000 machine parts inspected Defects 1 3 5 Probability 0.259 0.284 0.243 0.159 0.040 0.015 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is. (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the results. V The standard deviation is so the typical number of defects in a batch of 1000 The mean is . so the average batch of 1000 machine parts has (Round to one decimal place as needed.)

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