1% of those aged 15-49 are infected with HIV. in blood test for HIV 36 blood samples from 36 people are combined. what is the probability that the combined sample tests positve for HIV?

Q: equiring photo identification has been a controversial practice in recent elections. According to a…

A: Given problem is binomial distribution Let X : Americans favor requiring voters to provide photo…

Q: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: According to the provided information, 20% of adults in the United States smoke. Consider a group of…

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: What is the probability that a randomly selected beanbag chair is made from suede and is filled with…

A: The data is as follows   Foam Beads Total Velevet 4 4 8 Suede 5 3 8 Total 9 7 16

Q: A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is…

A: Based on the provided information, the known values are: Number of success=3982 people. Number of…

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: Given, Let A be the event of success that Airlines report of its flights are on time Random sample…

Q: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: a. Normal approximation to the binomial: From the given information, sample size, n = 250. The…

Q: Migraine medication was administered to patients in that 5% experienced weight gain as a side…

A:

Q: What is the probability that a randomly selected person from the population tests positive?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: Out of 50 cans of baby formula, 1 can is deficient in iron. What is the experimental probability…

A: Experimental probability of an event= Number of times an event occursTotal number of trials

Q: d. What is the probability that more than 5 paint defective SUVS are produced?

A: Here Given  Proportion of Defective BMW =0.002=p And Total BMW produced =1000=n So Here  Production…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: About 8% of the U.S. population catches the flu each season. Assuming everyone has equal probability…

A: Given: About 8% of the U.S. population catches the flu each season.

Q: Fifty-three percent of all people in the US have at least some college education. If 20 people are…

A:

Q: A fair coin is tossed 25 times. What is the probability that there will be at least 20 heads?

A: Let, X= number of heads  probability of getting a head (success)= p =1/2 =0.5 Probability of…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: Six percent of American adults are considered millionaires. If 100 randomly selected adults are…

A: Here it is given that 6% of American adults are millionaire. We need to find the probability of 7 or…

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: Q. A state public health department wishes to investigate the effectiveness of a campaign against…

A:

Q: According to govemment data, the probability that a woman between the ages of 25 and 29 was never…

A:

Q: What is the probability that a randomly selected friend tasted peaches and preferred non- organic?

A: The data is given by   Organic Non-organic Total Apples 4 3 7 Peaches 4 1 5 Toral 8 4 12

Q: In testing an HP printer, the Quality Inspector found that 25% of the printers fail to pass the test…

A: Obtain the probability that fewer than 4 fail to pass the test print. The probability that fewer…

Q: A news report stated that 65% of vehicles sold nationally were SUVs. A random sample of 100 vehicles…

A: Given info: Here, n=100, p=0.65.

Q: A coach claims that no more than 1/4 of undergrad students will attend football games. What is the…

A: Central limit theorem: The central limit theorem states that the sampling distribution of the sample…

Q: If a particular shipment of thousands of aspirin tablets actually has a 44​% rate of​ defects, what…

A: It is given that aspirin tablets have a 44% rate of defects. That is probability of getting a…

Q: About 8% of us population catches the flu each season assuming everyone has equal probability of…

A: Consider that about 8% of the population catches the flu each season. This means that the…

Q: What is the probability of hitting a target, if in the long run, 71 out of every 464 attempts…

A: Probability:The probability of an event A is obtained  by the formula:

Q: Social Networking Based on data from the Pew Internet Project, 74% of adult Internet users use…

A: The probability of getting an adult Internet user who uses the social networking sites is 74%.

Q: Transportation officials reported that 8.5 out of every 2000 airline passengers lost luggage during…

A: Solution: Given information : Let X be the random variable that airline passengers lost luggage…

Q: rolled three

A:

Q: Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users…

A: Let p be the probability of concerned about the confidentiality of their email Based on this…

Q: Migraine medication was administered to patients in that 12% experienced weight gain as a side…

A: We have to find probability..

Q: About 8% of the US population catches the flu each season assuming everyone has equal probability of…

A:

Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Q: What is the probability that a randomly selected person from the population tests negative?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: Fifty-three percent of U.S. households have a personal computer. In a Random sample of 250…

A: It is an important part of statistics. It is widely used.

Q: An unbiased fair coin was tossed 15 times. What is the probability of getting exactly 8 heads?

A: We have given the following statement coin tossed 15 times.  We have to find probability of getting…

Q: What is the probability that a randomly selected female student abstains from​ alcohol?

A:

Q: Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is…

A: Multiplication rule for independent events:If two events A and B are independent then the…

Q: In tossing a fair die, what is the probability of getting an even number or a number greater than 3?

A: Given data :  Total numbers in a fair die = 6  That is the sample space is , S = { 1 , 2 , 3 , 4 , 5…

Q: Eight percent of Americans have a master's degree. If five Americans are selected at random, what is…

A: Given,n=5p=0.08A random variable X~Binomial(n=5 , p=0.08)P(X=x)=5x0.08x1-0.085-x   ;  x=0,1,..5

Q: A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and…

A:

Q: A Gallup poll found that 73.2% of people in the US believe in hell. What is the probability that a…

A: Given that  A Gallup poll found that 73.2% of people in the US believe in hell  P(Believe in hell) =…

Q: In a plant, 10 out of 90 manufacturing products found to have a contamination. An investigation…

A:

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

Q: Empirical evidence suggests that 25% of Florida drivers are uninsured. If four random Florida…

A: The probability of more than one driver is uninsured can be calculated using Binomial distribution:

Q: b) Andrew Whittaker, computer center manager, reports that his computer system experienced 25…

A: Solution

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.