5 pointsSave AnsweThe following data are from an auto insurance company. In the past year, 76% of policyholders with comprehensive coverage filed no claims, 21% filed one claim, 2.5% filed two claims,and 0.5% filed three claims.Let X be a random variable representing the number of claims filed by a policyholder.Complete the following probability distribution (on paper) and then answer the question below.(Note: All percents must be converted to decimals.)X P(x)0.762What is the expected number of claims filed by a policyholder?(Write the exact mean as a decimal in the box.)«

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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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Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes. a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?
The U.S. Coast Guard maintains a database of the number, source, and location of oil spills in the U.S. navigable and territorial waters. The following is a probability distribution for location of oil spill events. [Source: Statistical Abstract of the United States.] Location Probability Atlantic Ocean 0.008 Pacific Ocean 0.037 Gulf of Mexico 0.233 Great Lakes 0.020 Other Lakes 0.002 Rivers and canals 0.366 Bays and sounds 0.146 Harbors 0.161 Other 0.027 If an oil spill is selected at random from the database, what is the probability: The oil spill occurred in an ocean? The oil spill occurred in a lake or harbor? The oil spill did not occur in a lake, ocean, river, or canal?
The following frequency table summarizes how many animals are surrendered to a local animal shelter daily. Dogs 6 Cats 13 Rabbits 4 Birds 2 Using experimental probability, what is the probability that a cat will be surrendered tomorrow? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
In a certain country, 47 percent of the population are on a strict diet. In a sample of 20 individuals, what is the probability that exactly 5 individuals are on a strict diet? Select one: O a. 0.1474 O b. 0.0260 O c. 0.1023 O d. 0.0577
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The number of needed repairs while under warranty for a Sure Cut lawnmower has a population distribution as shown in the probability histogram below. The population mean is also given. Population 0.6 - 0.5- 0.4- population mean: u=1.15 0.3- 0.2- Number of repairs Probability
Beef Consumption. According to Food Consumption, Prices, and Expenditures, published by the U.S. Department of Agriculture, the mean consumption of beef per person in 2011 was 57.5 lb. A sample of 40 people taken this year yielded the data, in pounds, on last year’s beef consumption given on the WeissStats site. Use the technology of your choice to do the following. a. Obtain a normal probability plot, a boxplot, a histogram, and a stem-and-leaf diagram of the data on beef consumptions. b. Decide, at the 5% significance level, whether last year’s mean beef consumption is less than the 2011 mean of 57.5 lb. Apply the onemean t-test. c. The sample data contain four potential outliers: 0, 0, 0, and 13. Remove those four observations, repeat the hypothesis test in part (b), and compare your result with that obtained in part (b). d. Assuming that the four potential outliers are not recording errors, comment on the advisability of removing them from the sample data before performing the…
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Answer Part C only.
Please refer to the lesson and answer the activity

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