he office of career services at a major university knows that 74% of its graduates find fulltime positions in the field of their choosing within six months of graduation. Suppose the office of career services surveys 25 alumni six months after graduation. a. What is the probability that at least 80% of the alumni have a job in the field of their choosing? b. What is the probability that between 60% and 76% of the alumni have a job in the field of their choosing? c. What is the probability that fewer than 60% of the alumni have a job in the field of their choosing?

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A: Given that,   Probability, p= 0.30   (i). If sample size is, n= 10  Then X~Binomial(10,0.30) p.m.f…

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A: Note: Hey, since there are multiple subparts are posted, we will answer first three subparts for…

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A:

Q: Weapon Handgun Rifle Probability 0.476 0.028 Shotgun Unknown firearm 0.035 0.146 Knives 0.135 Hands,…

A: Hi, we are supposed to answer three subparts at a time. Therefore, I am answering the first three…

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A:

Q: $ Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on…

A: Given EX=-5,EY=6,EZ=3 and VarX=15,VarY=10,VarZ=29.

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A: NOTE:  As per the guidelines, we are supposed to solve the first three sub parts only. Given:…

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A: Given n=10 P=0.25

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A: We have to use union and intersection of set to find the various probabilities.

Q: i. Suppose in a district grade 1 through grade 5, 60 percent of the population favor a particular…

A: we are suppose to answer three sub parts .

Q: On-Time Airlines. The Office of Aviation Enforcement and Proceedings (OAEP) publishes important…

A: a. The probability of all flights arriving at U.S. airports is 0.76 and the number of arrivals in…

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A: Givenp=0.10sample size(n)=15Let "x" be the no.of loans are…

Q: mpany chaiges $227 Iul a $30,C ice policy 1or a 30-year the year is 0.9969. Assume that the company…

A:

Q: 3. At the time of the Avery case, there were 165,814 African-Americans in the Fulton County…

A: Suppose there is a finite population of size N that contains exactly K objects that has a specified…

Q: A. Find the mean of the given data. Ungrouped Data. Er N Er = the sum of x N = number of data 1/2 15…

A: we use the formula to find the mean of the given data;if ungrouped data then Mean=∑xnif grouped data…

Q: a. Exactly 16 of them are repeat offenders. b. At most 21 of them are repeat offenders. c. At least…

A: Given : 46% of all violent felons in the prison system are repeat offenders. i.e Probability…

Q: According to a government statistical organization, the unemployment rate for workers aged 24 to 27…

A: p=0.083n=120we have to find out the probabilities for the given data.

Q: A hospital finds that 25% of its accounts are at least 1 month in arrears. A random sample of 450…

A: Let us denote: X=the number of accounts that were at least 1 month in arrearsGiven that n=sample…

Q: Suppose that in a given country, the proportion of households owning their own home is 0.65.…

A:

Q: You are interested in the average dollar amount lost by burglary victims. The National Insurance…

A: From the provided information, Population standard deviation (σ) = 600 Sample mean (x̄) = 2222…

Q: 2. A survey of publishing jobs indicates that 92 percent are completed on time. Assume that three…

A: Probability that publishing job is not delayed= 0.92 Let X be the number of jobs completed on time.…

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A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

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A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n…

Q: 1. Reports suggest that 62.6%% of United States' homes have a fireplace, 36.5% have a garage and…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Suppose 58% of recent college graduates plan on pursuing a graduate degree. Thirteen recent college…

A: The objective of this question is to calculate the probabilities of different scenarios regarding…

Q: 4. According to the South Carolina Department of Mental Health web site, for every 200 U.S. women,…

A: given dataone out of 200 suffer from anorexia∴ λ = 1200t=n=600 people group∴ λt = 1200*600 = 3p(x=X)…

Q: A survey of 200 college graduates who have been working for at least three years found that 85 owned…

A:

Q: According to a recent poll about 60% of vaccinated Americans say they still wear a mask in public…

A: Given that  p = 60% = 0.60 , n = 5 , q = 1 - p = 1 - 0.60 = 0.40 X ~ Binomial (n = 5 , p = 0.60) X :…

Q: According to a government statistical organization, the unemployment rate for workers aged 19 to 25…

A: The answer is attached below.

Q: 18. Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that…

A: Given:n = 200,p = 0.81

Q: An airline estimates that the probability is 0.05 that people making reservations on a certain…

A: Probability is the measure of chances. It takes the values between 0 to 1. It never takes negative…