5.50 What is the probability that we observe exactly 29 alcoholics with cirrhosis of the liver who have hepatomas if the true rate of hepatoma among alcoholics (with or without cirrhosis of the liver) is .24?

Q: A recent study found that 25% of all adult males did not visit their physicians' offices last year.…

A: Solution

Q: The time between people arriving to a softball game in a window of time is distributed as an…

A: Solution.

Q: 1898, L.J Pietkiewicz published a book entitled The Law of Small Number. He used data collected over…

A:

Q: the probability of success on each trial of an experiment is 0.4, what is the probability of 4…

A: n=6x= no. of successes=4p=0.4q=1-0.4=0.6p(X=x)=nCx*px*qn-x (binomial distribution)

Q: 12. You know that the probability of getting a certain rare disease is .0004. In a town of 10,000…

A: Solution: 12. From the given information, probability of getting a certain rare diseases is 0.0004…

Q: Suppose the time it takes for guests to wait for an elevator at the lobby of a certain office…

A: We have to find given probability.

Q: 3.17 What is the probability that at least one of the women has Alzheimer's disease? DE

A:

Q: It is known that 17% of people ride public transport without paying for it. We talk to 95 people who…

A: We have given that,  p= 0.17 and N= 95  Then,  We will find P( p̂≥0.22) = ?

Q: Based on historical data, your manager believes that 35% of the company's orders come from…

A:

Q: If n=6 and mean= .40 , what is the probability that X>1?

A: Given,n=6 , mean=0.40A random variable X~Binomial(n, p)

Q: Determine the probability of a yen win for one ticket

A: here given,  Lottery tickets issued for a total of 10,000 y.e. Ticket price 0.5 c.u. means that…

Q: Cars enter a car wash at a mean rate of 4 cars per half an hour. What is the probability that, in…

A:

Q: Rate of a disease in people over age 65 is about 0.7. Suppose 5 people are being tested for this…

A:

Q: ring year, speeding reported therefore that the probability of speeding being reported in an…

A:

Q: The average number of dropouts for a school district has been 305 per year with a standard devia-…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: (a) Calculate the probability that at least one of them suffers from arachnophobia.  (please round…

A: p = 0.07 n = 10

Q: WHAT IS THE PROBABILITY OF Randomly selecting someone who is between 20 and 34 years old

A: Given that  National age distribution of pie chart.   The people between 20-24 years = 5.2% The…

Q: 2. Some cells types in a tissue represent only a very small portion of total cell population, such…

A: given that

Q: Assume the proportion of all students that are left handed is equal to 0.4. What is the probability…

A: Given data,p=0.4n=20P(X=5)=?

Q: 3.32 Arachnophobia: A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from…

A: Let A10 be the number of teenagers out of 10 who suffer from arachnophobia

Q: Hepatic Disease Suppose we observe 84 alcoholics with cirrhosis of the liver, of whom 29 have…

A: The given sample size is 84 and the risk of hepatoma among alcoholics without cirrhosis of the liver…

Q: A sample of n 12 scores is selected from a normal population with u = 50 and o = 10. a. What iš the…

A: Given that, Mean = 50 Standard deviation = 10 Sample size = 12

Q: Suppose we observe 100 alcoholics with cirrhosis of the liver, of whom 33 have hepatomas—that is,…

A: (5.1)   Obtain the probability that we observe exactly 33 alcoholics with cirrhosis of the liver…

Q: The probability of drawing from a normally distributed variable an observation that is exactly equal…

A:

Q: 5.51 What is the probability of observing at least 29 hepa- tomas among the 84 alcoholics with…

A: The given sample size is 84, and the risk of hepatoma among alcoholics without cirrhosis of the…

Q: Assume that when human resource managers are randomly selected, 42% say job applicants should follow…

A:

Q: Seventy percent of adults favor some kind of government control on the prices of medicines. Assume…

A: Givenpopulation proportion(p)=70%=0.7sample size(n)=400Mean(μp^)=p=0.7standard…

Q: Cars enter a car wash at a mean rate of 3 cars per half an hour. What is the probability that, in…

A: Suppose a random variable x defines the number of cars enter in a car wash per hour.

Q: (5 5 In Ohio, 40% of adults have a B.S. degree. In a random sample of 320 Ohio adults, what is the…

A: Before proceeding with the probability, find the mean and standard deviation:

Q: You are playing Farkle. If you roll six dice, what is the probability of getting four 2's (exactly…

A: Given, No of dice = 6

Q: Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in…

A: The population proportion(p) is 0.12. The probability that a random sample of 196 letters will…

Q: The reported rate for colorblindness for men ages 65 and older is 12%. Assume this estimate is the…

A: Given :  Sample size = n = 25 Population proportion = p = 0.12

Q: Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in…

A: Note: If the post contains multiple questions only allow to do first question as per guidelines of…

Q: A farmer has planted 11 new lemon trees of a special breed where the probability that the tree will…

A: Obtain the probability that less than 3 trees remain without fruits by the end of the upcoming…

Q: 46.5% of Americans get a flu shot each season. What is the probability that 2 out of 3 randomly…

A: Given,n=3p=0.05X=no.of Americans get a flu shot X~Binomial (n=3 , p=0.05)P(X=x)=nxpx (1-p)n-x   :…

Q: 3.19 What is the probability that exactly one of the three people has Alzheimer's disease?

A: Given that, estimates of the prevalence  of Alzheimer's disease have been recently provided by…

Q: Assume that when human resource managers are randomly selected, 54% say job applicants should follow…

A: Applicants should follow up within two weeks=54% i.e p=0.54Number of human resource managers are…

Q: (a) If you toss the coin 10 times, it will come up heads 5 times. (b) If you toss the coin a very…

A: Here use basic concept of expectation and MOE

Q: Q.13 In a certain district, the need for money to buy drugs is given as the reason för 75% of all…

A: Given The prob that the reason of theft is money for drug is p=0.75

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.