1. The following table gives the joint probability distribution between employment status andcollege graduation among those either employed or looking for work (unemployed) in theworking age U.S. population, based on the 1990 U.S. Census.Joint Distribution of Employment Statusand College Graduation in the U.S. Population Aged 25-64, 1990Unemployed (Y = 0)Non-college grads (X = 0)College grads (X= 1)Total0.0450.0050.050Employed (Y= 1)0.7090.2410.950Total0.7540.2461.000Calculate the unemployment rate for (i) college graduates and (ii) non-college graduates.

i) Unemployment rate for college graduates: Unemployment for college graduates=Punemployed|college…

Answered: The following table gives the joint…

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 number of days ahead of their trip that travelers purchase their airline tickets can be modeled as an exponential distribution with a mean of 12 days. a. Determine the probability that a traveler will purchase their ticket less than 25 days before their trip Answer in exact fraction, or rounded to at least 4 decimal places. b. Determine the 77 percentile number of days by which travellers make an advance purchase of their tickets. Answer in exact fraction, or rounded to at least 4 decimal places. days
14 Samantha (female) just turned 115 years old. Based on the 2001 CSO mortality table, the probability that she will still be alive at the end of year/age 116 is 2001 CSO Mortality Table Attained Age 109 110 111 112 113 114 115 116 117 (M) 569,27 598.70 629.88 662.87 697.78 734.68 773.66 814.78 858.15 S 557.04 591.96 625.62 657.77 690.79 732.06 771.35 812.36 855.90
Part C
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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.
According to a survey conducted by Deloitte in 2017, 0.4532 of U.S. smartphone owners have made an effort to limit their phone use in the past. In a sample of 90 randomly selected U.S. smartphone owners, what is the probability that between 37 and 39 (inclusively) will have attempted to limit their cell phone use in the past?
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…
Use the data in the table below, which shows the employment status of individuals in a particular town by age group. Age Full-time Part-time Unemployed 0—17 25 177 372 18—25 341 194 344 26—34 460 67 27 35—49 558 179 339 50+ 475 176 362 If a person is randomly chosen from the town's population, what is the probability that the person is under 18 or employed part-time?
According to Harper's Index, 45% of all federal inmates are serving time for drug dealing. A random sample of 15 federal inmates is selected.(b) What is the probability that 2 or fewer are serving time for drug dealing? (Round your answer to three decimal places.)
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A random sample of 15 federal inmates is selected. (b) What is the probability that 4 or fewer are serving time for drug dealing? (Round your answer to three decimal places.)
If a graph represents a probability distribution, then the total area under the curve is what?
K The following data represent the number of drivers involved in a fatal crash in 2016 in various light and weather conditions. Complete parts (a) through (c) below. Click the icon to view the data for fatal crashes in 2016. (a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately. (Round to three decimal places as needed.) Data table Weather Daylight Dark, but Lighted 5875 497 51 54 255 Normal Rain Snow/Sleet Other Unknown 14,307 875 219 125 810 (...) Dark 8151 681 156 220 548 Dawn/Dusk Other 1183 87 40 71 65 8 2 9 133 X

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