educational The following table represents the highest attainment of all adult residents in a certain town. If an adult is chosen randomly from the town, what is the probability that they have a high school

Q: Determine whether the variable is qualitative or quantitative. Explain your reasoning. Postal ZIP…

A: We know that, Quantitative data refers to any information that can be counted or measured and given…

Q: Assume that when human resource managers are randomly​ selected, ​44% say job applicants should…

A: p=0.44 sample size(n)=25 Let "x" be no. of human resource managers ay job applicants should follow…

Q: The answer is incorrect

A: Answer  Mean =110 Standard deviation =15

Q: In a class of students, the following data table summarizes how many students have a cat or a dog.…

A: From the provided information,   Has a cat Does not have a cat Total Has a dog 5 6 11 Does…

Q: The optimal scheduling of preventive maintenance tests of some (but not all) of n independently…

A:

Q: The probabilities that discipline officers will discover violations of the student handbook in a…

A: Number of Violations(v) Probability P(v) 3 0.3200 4 0.1200 5 0.1700 6 0.1200 7 0.1300 8…

Q: Q5. A school musical director can select 2 musical plays to present next year. One will be presented…

A: A school musical director can select 2 musical plays to present next year. One will be presented in…

Q: The following table represents the highest educational attainment of all adult residents in a…

A: From the given information , Total number of adult residents = 16755  Resident having high school…

Q: Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:…

A: H0 : P=0.8 H1 :P >0.8 n=125 X=105 and α=0.1

Q: The average student loan debt for college graduates is $25,750. Suppose that that distribution is…

A:

Q: A health and safety consultant working in a large department store finds that the wait time for a…

A: Solution-: Given: a=2, b=6 We want to find P(a person can reach the ground floor in less than 3.25…

Q: The lighting department of a city has installed 2000 electric lamps with an average life of 10,000 h…

A: Solution-: Given: μ=10000,σ=500 We want to find x such that, P[X<x]=0.6554

Q: P(AC)=0.55, P(B)=0.35, P(ANB)=0.25 (1) Find: P(ABC), P(A\BC), P(BC\AC) (ii) Are A and B independent…

A: We have given that, PAc=0.55 PB=0.35 PA∩B=0.25

Q: We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers…

A: Population standard deviation(σ)=76.4 Margin of error(E)=0.5 confidence level=95%

Q: Of the 250 students surveyerd, 100 prefered asynchronous distance learning and 150 prefered…

A: sample size (n) = 250p = proportion of student support asynchronous distance learningfavorable…

Q: If I roll two six-sided dice, what is the mean and variance of their difference?

A: Here given that 2 dice are rolled . So Total possible outcomes = 6 × 6= 36

Q: Quality control staff wish to estimate what proportion p of the resistors made in their factory are…

A: p^=0.016 n = 750 First, we need to find the z-score corresponding to a 99% confidence level.…

Q: The following table contains the probability distribution for X = the number of re-transmissions…

A: 1) We have given the following probability distribution x P(x) 0 0.40 1 0.30 2 0.25 3…

Q: answer b and c are not clear, can you upload them again??

A: λ = 1.5 per week  P(X = x ) = e^-λ (λt)x / x! Where x = no of accidents  in a week As per above…

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: Answer:- Given, Discrete probability distribution table is,  x P(x) 3 0.22 4 ? 5 0.31 6…

Q: Suppose the change in price from 2012 to 2013 for 10 houses in Toronto is measured (in percent) for…

A: Change in price from 2012 to 2013 8s given N = 10 X ={ 0,5,-10,-15,10,20,15,-10,-5,-10 }  Standard…

Q: a) The base chassis of a manufactured product is made up of numerous components. There can sometimes…

A: a) (i) The probability that component B will have fitting problems is 0.037, and the probability…

Q: The failure times of a computer disk drive are exponentially distributed with a mean of 3000 hours.…

A: To find the probability that the repair cost is more than RM800 in one year, we need to consider the…

Q: A market research firm conducted a household survey regarding preferences for three brands of…

A:

Q: 94 107 114 102 116 117 113 94 101 85 110 94 104 113 94 117 106 93 106 117 91 112 104 106 88 108 88…

A: It is needed to define a frequency distribution table.

Q: In a class of 25 students, 14 have a brother and 17 have a sister. There are 5 students who do not…

A: From the given information,    Total number of students, n= 25 Let,     A be students have brother…

Q: How many different ways can these roles be filled from these auditioners? (2) How many different…

A: 13 males audition, one of them being Karthikey, 7 females audition, one of them being Tiffany, and 5…

Q: Conditional Probability in 6-Card Poker 7) Compute the probability of getting 4-of-a-kind if there…

A: 7)  Conditional probability in a 6 card Poker. Total number of hands in poker = 6 Total number of…

Q: Find the probability that a point chosen at random from AK is on the given segment. A B C D E F G H…

A: Given the line as

Q: missing entires in a probability density function. Use the following density function instead of the…

A: Here the given incomplete table is  Now for completing the table we calculate the all missing term…

Q: The following are the number of cars sold per day at ABC Motor corporation during the past 500…

A: Using formula for probability is :- probability, P(X)= frequency total frequency And ,     Mean =…

Q: a) Find value of p. b) Find covariance matrix c) For vector x = A = (cov(X,X) cov(X,Y)) cov(Y,X)…

A: a. To find the value of p, we can use the fact that the sum of probabilities in a distribution must…

Q: Find P(-1.18 < z < 1.18). Type your answer...

A: Z~N(0,1) then find  P(-1.18&lt;Z&lt;1.18)

Q: The average cost per household of owning a brand new car is P5300. Suppose that we randomly selected…

A: Answer:- Given, Population Mean, µ = 5300 Sample size, n = 40  Population standard deviation, σ =…

Q: Prob-1 Probability that cars have been assembled in a particular plant as follows: P(plant1) =20%, P…

A: The probabilities are given

Q: Prove the following statement: P(A|B) := (P(A ∩ B)) / ( P(B) ) if able please write it step by…

A: Prove the following statement P(A|B)=P(A∩B)P(B) also write it step by step with some example

Q: An unknown metal has been found and the following experimental results have been tabulated in the…

A: X Y 20 222.3 21.5 246.2 23 258.2 24.5 277.8 26 291.9 27.5 318.1 29 322.3

Q: Research Study: The following data collected lists the typing speed as measured by a standard typing…

A: Number of pages typed Typing speed 37 73 36 44 42 56 24 72 16 50

Q: According to a study, 31% of experienced file-sharers with broadband access had decreased their…

A: It is given that, the 31% of experienced file-sharer with broadband access had decreased their…

Q: A bag contains n marbles, two of which are blue. Hayley plays a game in which she randomly draws…

A: A bag contain n marbles, two of which are blue

Q: Stock Market Gyrations The following chart shows the day-by-day change, rounded to the nearest 100…

A: Given the chart shows the day-by-day change, rounded to the nearest 100 points, in the Dow Jones…

Q: Find the theoretical probability of: When selecting 3 cards from a regular deck without…

A: Here given that 3 cards are drawn without replacement from standard deck of cards . Total 52 cards…

Q: Rework problem 5 from section 3.1 of your text, involving events E, F, and G in a sample space S.…

A: The given probabilities are PrE=0.55,PrF=0.65,PrG=0.6,PrE∩F=0.4,PrE∩G=0.35,PrF∩G=0.45.

Q: 4% of visitors make donations. on a certain day, the museum has 175 visitors. find the expected…

A: The expected number of donations is obtained below as follows:   The conditions for the normal…

Q: write the sample space. What is the probability of getting one head and one tail?

A: A coin is flipped twice. Using “H” to denote heads and “T” to denote tails, Total no of outcomes = 2…

Q: where is answer d??

A: Given that,    Texas plant has 35 employees  And,    the Hawaii plant has 25 employees So,    Total…

Q: In a class of 22 students, 5 have a brother and 13 have a sister. There are 2 students who have a…

A: class of 22 students 5 have brother  13 have sister 2 have brother and sister   P(have sister | have…

Q: A market research firm conducted a household survey regarding preferences for three brands of…

A: However, based on the information given, we can still provide an example of how to construct a…

Q: 23/25 23/35 23 12 35 5 4C he above table shows the composition of a group of 40 people with U.S. and…

A: US Canada Row Totals Female 23 2 25 Male 12 3 15 Column Totals 35 5 40 The objective is…

Q: The sum of all probabilities must be equal to  1  2 3.14 10

A: Answer:- We know that the probability of an event lies between the range from 0 to 1.  That is,…