Choose a person age 19 to 25 years at random and ask, "In the past four days, how many days did you do physical exercise or work out?" Based on a large sample survey, here is a discrete probability model forthe answer you will get:#of Days024Probability0.610.100.080.170.04What is the mean number of days that randomly chosen 19- to 25-year-olds worked out in the past four days?(Fill in the blank below and give your answer to 2 decimal places.)The mean is

The random variable X denotes the number of days that randomly chosen 19-to25-year -olds worked out…

Answered: Choose a person age 19 to 25 years at…

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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Industry standards suggest that 12 percent of new vehicles require warranty service within the first year. University Toyota in Morgantown, WV sold 10 Toyotas yesterday. Compute the mean of the probability distribution.
In a survey of 2500 adults 18 year old and older conducted in 2019 adults 18 years old and older, the following question was asked : Is your family income keeping pace with the cost of living ? The results of the survey follow : Falling Staying Don't Answer Increasing behind even know faster Respondents 900 1020 460 120 Determine the probability distribution associated with these data.
The following report is from the National Highway Safety Administration, and it is based on over 800,000 deaths. The report lists the type of crash and the percent of fatalities: Type of Crash Percent of Fatalities Single car crash 45% Two-car crash 22% Car crashing with a truck 25% Crash involving 3 or more vehicles 8% Consider a recent car crash that resulted in a fatality. What is the probability that a single car crash had occurred?
Choose an American household at random and ask how many televisions that household owns. Here is the probability as determined by a recent survey: Number of televisions 0 1 2 3 probability 0.10 0.44 0.28 0.18 What is the expected number of televisions per household?
The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past 12 years. Complete parts (a) through (e). (b) What is the probability that a randomly selected murder resulted from a rifle or shotgun? (Type a decimal rounded to three decimal places as needed.) P(rifle or shotgun) = Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. OA. If 1000 murders were randomly selected, exactly of them would have resulted from a rifle or shotgun. B. If 1000 murders were randomly selected, we would expect about of the to have resulted from a rifle or shoto (c) What is the probability that a randomly selected murder resulted from a handgun, rifle, or shotgun? P(handgun, rifle, or shotgun) = (Type a decimal rounded to three decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. OA. If 1000 murders…
Please answer the question in the picture below to answer the question in the other picture
In a sample of college students, 100 live on campus, 60 live with family off campus, and 40 live in an apartment off campus. A.What is the probability a randomly selected student lives off campus? B. Explain why this is an example of empirical probability.
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When sampling is done for the proportion of defetive items in a large shipment, where the population proportion is 0.07, and the sample size is 200, what is the probability that the sample proportion will be at least 0.09? 0.8665 0.3665 0.1335 0.6335

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