The actual probability that a person in the U.S. has type A+ blood is 0.31. If we select 6 people in the U.S. at random: Round probabilities to 4 decimal places. a. Find the probability that all six have blood type A+. b. Find the probability that none of the six have blood type A+.

Q: At TCNJ, 35% of the engineering majors belong to ethnic minorities. If 6 students are selected at…

A: Given,n=6p=0.35X=no.of students belong to ethnic minorityX~Binomial (n=6 , p=0.35)P(X=x)=nx pxqn-x…

Q: In a certain factory, the probability of workers suffering from an occupational disease is 20%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: . If the ball is white, find the probability that the first urn was selected

A: Let us define some events A : The first urn is selected. B : the second urn is selected. E : the…

Q: In a large population, 58 % of the people have been vaccinated. If 4 people are randomly selected,…

A: p(people have been vaccinated)=0.58 Numeber of people (n)= 4 Let "X" be the people who has been…

Q: 3 percent of the led lights manufactured by a company are defective, the probability that in a…

A:

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: In a large population, 53 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given information- Given problem is of binomial distribution. Probability of success, p = 0.53 No.…

Q: The American Automobile Association reports that of the fatal car and truck accidents 54% are caused…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: Of the cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4% have…

A: Given that , cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4 %…

Q: A physics class has 50 students. Of these, 18 students are physics majors and 16 students are…

A: From the given information, total number of students n(S) = 50. Number of physics majors n(Physics)…

Q: An urn contains 2 white balls and 8 red balls. A second urn contains 6 white balls and 4 red balls.…

A:

Q: A physics class has 40 students. Of these, 13 students are physics majors and 15 students are…

A:

Q: 42% of US adults have very little confidence in newspapers. You randomly select 10 US adults. Find…

A: Given that, 42% of US adults have very little confidence in newspapers. Sample size, n = 10

Q: Airline flights from Boston to Atlanta are on time 50 % of the time. Suppose 6 flights are randomly…

A: Solution: Let X be the number of flights are on time and n be the number of airline flights from…

Q: Suppose you have 12 drinks, 7 regular and 5 diet, in a cooler. You select two at random. Answer the…

A: Obtain the probability that you get no diet drinks. The probability that you get no diet drinks is…

Q: A survey of Indiana, PA residents finds that 68% like Bob's Sub, 83% like Culpepper's, and 56% like…

A: Let A be the event that the residents like Bob's Sub and B be the event that residents like…

Q: A group of people were asked if life exists elsewhere in the galaxy. 336 responded "Yes", and 400…

A: The number of people believe in existence of life elsewhere in the galaxy is 336. The number of…

Q: A physics class has 50 students. Of these, 16 students are physics majors and 14 students are…

A: given data  n(total)  50 n(physics) = 16 n(female) = 14 n(physics and female) = 6 P(female or…

Q: Of all the registered automobiles in a city, 5% fail the emissions test. Fifteen automobiles are…

A: We have given that  Sample size n=15  Probability of success p=5%=0.05  q=1-p=0.95 P(X=x)=…

Q: Seventeen percent of married couples say they are planning a trip to Europe. You randomly select 15…

A: Suppose a random variable x, defines the number of married couples, who are planning a trip to…

Q: A physics class has 50 students. Of these, 17 students are physics majors and 18 students are…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: Michael gave a probability answer as 24. What is wrong with an answer such as this?

A: According to the provided information, Michael gave a probability answer as 24.

Q: A box contains 15 red and 5 blue balls. Balls are drawn randomly one at a time with replacement.…

A: We have to find correct answer.

Q: The probability that visiting particular doctor results in neither ECG or  an X-ray is 35%. Of all…

A: Given: P(X-ray ) = 30% = 0.30 P(ECG) = 40% = 0.40 P(Neither ECG nor X ray) = 35% = 0.35

Q: A bag has 12 different-colored marbles: 4 green, 5 blue, 1 yellow, and 2 orange. You draw a marble…

A: Given that,  4 green, 5 blue, 1 yellow, and 2 orange Marbles.  Total number of marbles = 4+5+1+2 =…

Q: An urn contains five white balls and six red balls. The second urn contains eight white balls and…

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

Q: A group of people were asked if they had run a red light in the last year. 326 responded "yes", and…

A: Given, a group of people were asked if they had run a red light in the last year, 326 responded…

Q: In a family of 4 Children, the probability of a male birth is 0.5. Find the probability that the…

A: Sample of size(n)=4p=Probability of a male birth=0.5q=1-pq=1-0.5=0.5

Q: An urn contains 4 white balls and 6 red balls. A second urn contains 7 white balls and 3 red balls.…

A: given that…

Q: In a large population, 68 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: In a large population, 63 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Introduction: Denote X as the random variable of interest here, which is the number of people who…

Q: Of the cartons produced by a company, 7% have a puncture, 6% have a smashed corner, and 0.4% have…

A:

Q: An urn contains 3 white balls and 7 red balls. A second urn contains 8 white balls and 2 red balls.…

A: