Suppose that the random variable , shown below, represents the number times. P(x) represents theprobability of a randomly selected person having received that number of speeding tickets during that period.Use the probability distribution table shown below to answer the following questions. 43x0P(x)0.29510.2587120.19240.1604P(x > 0) 0.7049=34a) What is the probability that a randomly selected person has received five tickets in a three-year period?P(x = 5) = 0.0442b) What is the probability that a randomly selected person has received one tickets in a three-year period?P(x = 1) 0.2587P(x≤1)=156+c) What is the probability that that a randomly selected person has received more than zero tickets in a three-year period?0.04920.04420.0000> Next Questiond) What is the probability that that a randomly selected person has received one or less tickets in a three-yearperiod?Enter an integer or decimal number [more..]

Answered: Image /qna-images/answer/bd888dec-e559-4004-9558-0435de5c1c49.jpg

Answered: Suppose that the random variable x,…

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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Suppose that 1.4% of men and 3.6% of women have night-blindness. Assume the population consists of 4 times as many men as women. A person is chosen at random from the population and is known to have night- blindness. What is the probability that this person chosen is a woman? Do not include a % sign when reporting your answer. Answer in units of percent. Your answer must be within ± 2.0% Your answer must be within ¹2%.
A group of faculty were asked if they have a tenured or nontenured position. The responds are listed in the table: Tenured Nontenured Total Male 30 31 61 Female 59 51 110 Total 89 82 171 If one faculty is selected at random, find the probability that the faculty is a female or a nontenured facultyRound your answer to three decimal places.
What is the probability that a registered voter voted in the election? The probability that a registered voter voted in the election is approximately. (Round to three decimal places as needed.) About 3,034,053 voted in the election About 3,529,477 of the registered voters did not vote
Suppose you choose four people at random from a Statistics class in which you know 20% of the students have an A average. Let X be the number of students in your sample who have an A average. Obtain the probability distribution for X and plot the probability histogram. X Probability 0 i N 3 A 0.45 0.4 0.35 0.3 i Probability histogram: 0.25 i MI 0.2 0.15- 0.1 0.05- 0 0 1 2 X Figure 1. 3 0.45 0.4 0.35 0.3 0.25 m 10 el 02 0.15 0.1 0.05 0 0 2 X Figure 2. 3 0.45 0.4 0.35- 0.3- 0.25 02- 0.15 0.1- 0.05 0 0 1 2 X Figure 3. 3
Find the value of the following hypergeometric probability distribution. Leave the answer as a number rounded to the nearest ten-thousandths: ?(3)=(93)⋅(81)(174)f(3)=(93)⋅(81)(174) Remember, just give me the number rounded to the nearest ten-thousandths.
Nine plants are operated by a garment manufacturer. They feel there is a sixteen percent chance for a strike at any one plant and the risk of a strike of a strike at one plant is independent of the risk of a strike at another plant. Let X be the number of plants of the garment manufacturer that strike. Compute the probability that 3 of the plants will strike. Round your answer to four decimal places, if necessary.
A pencil company has four extruders for making pencil lead. The maintenance manager has determined from historical data that the following table describes the distribution of the number of extruders down (out of operation) on any given day: y 0 1 2 3 4 P(y) 0.5 0.3 0.1 0.05 0.05 a. Find the probability that three or more extruders are down. b. Find the probability that fewer than one extruder is down. c. Find the expected number of extruders down. d. Find the population variance and the population standard deviation for the number of extruders down.
A population proportion is 0.40. A random sample of size 200 will be taken and the sample proportion p willI be used to estimate the population proportion. Use the z-table. Round your answers to four decimal places. a. What is the probability that the sample proportion will be within +0.03 of the population proportion? b. What is the probability that the sample proportion will be within +0.05 of the population proportion?
The police have estimated that there are twelve major accidents per day on a particular 10-mile stretch of a national highway. Suppose the incidence of accidents is evenly distributed on this 10-mile stretch of the highway. a. Find the probability that there will be fewer than eight major accidents in this 10-mile stretch of the highway. (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability b. Find the probability that there will be more than two accidents in a 1-mile stretch of this highway. (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability
The following are the probability distributions for the cost of textbooks in the fall semester for two different majors. Each probability represents the chance that the total cost of a student's books will be the given amount. Calculate the absolute difference in the expected cost of textbooks for the fall semester for these two majors. Express your answer rounded to two decimal places. Cost of Textbooks (in dollars) for Business Majors X 431.00 510.00 625.00 X Cost of Textbooks (in dollars) for Chemistry Majors 500.00 601.00 P(X = x) 649.00 0.23 0.56 0.21 P(X = x) 0.18 0.52 0.30
Consider the following probability distribution. Find the probability that x=2 x 0 1 2 3 4 5 p(x). 0.12 .25 ? .18 .14 .11
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