In a recent poll, 23% of the respondents supported candidate A, 19% supported candidate B, 13% supported candidate C, and 45% were undecided. If 7 people are chosen at random, what is the probability that 2 people support candidate A, 2 support candidate B, 1 supports candidate C, and 2 are undecided?

Q: A very large pool consists of 26% Democrats, 33% Republicans, and the rest independents. What is the…

A: X~ Binomial (n , p)  p = 1 -.26-.33 = 0.41 ____________________________

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: In a group of students, 70% are taking an English class and 19% are taking a Chemistry class. Among…

A: Given that, P(E)= 70% = 0.70 P(C)= 19%= 0.19 P(C/E)= 7%= 0.07 P(C Ω E)=?

Q: A bag contains 7 red marbles, 4 blue marbles and 5 green marbles. If three marbles are drawn out of…

A:

Q: In a Toyota factory, 137 out of 129,000 cars have faulty brakes. If 50 cars checked at random, what…

A:

Q: A company has 12 salespeople and 18 engineers. If a committee of 4 is randomly selected, what is the…

A: given data, 12- salespeople18- engineers30- total persona commitee of 4 is randomly…

Q: Suppose the composition of the Senate is 47 Republicans, 49 Democrats, and 4 Independents. A new…

A:

Q: Suppose 20% of the students in UCR commute to school every day. Among those who commute, 40% of them…

A: The objective of this question is to find the probability that a randomly selected student from UCR…

Q: Eight people in the class are left-handed . If there are 32 students in the class, what is the…

A:

Q: A poll is given, showing 40% are in favor of a new building project. If 2 people are chosen at…

A: Proportion of people are in favour of a new building project(p)=0.40sample size(n)=2

Q: A bag contains 77 greengreen marbles, 1010 blackblack marbles, and 55 whitewhite marbles. If two…

A: Given: 7 green marbles 10 black marbles 5 white marbles

Q: A committee has fourteen members. There are three members that currently serve as the​ board's…

A: It is given that that the committee of 14 members, three already serving as the board 's chairman,…

Q: A poll is given, showing 50% are in favor of a new building project. If 9 people are chosen at…

A:

Q: about 38% of the population have blood type-O positive. If you randomly choose 4 people, what is the…

A: It is given that p = 0.38 and n = 4. The probability mass function of the binomial distribution is…

Q: A flower shop supplier has a supply of bouquets of which 10% are all white. A flower shop orders 18…

A: Given data A flower shop supplier has a supply of bouquets of which 10% are all white. A flower shop…

Q: In a state legislature the elected representative include 17 Democrats, 13 Republicans, and 4…

A: Given  Elected representatives(34)=17(Democrat)+13(Republican)+4(independent)

Q: A farmer is going to randomly select an animal from their farm. There are 5 cows, 3 goats, and 12…

A: There are 5 cows, 3 goats and 12 chickens. N=20 animals

Q: In a particular community, 60% of the voters are Democrats, and 40% are Republicans. 44% of the…

A:

Q: If 42% of students own a car and 27% of students own a bike. What is the probability that a student…

A: Given Data: The probability that student own a car is: P(A)=42% The probability that student own a…

Q: A bag contains five red marbles and eight white marbles. If a sample of three marbles contains at…

A: Solution-:Given: A bag contains 5 red marbles and 8 white marbles.If a sample of three marbles…

Q: In a large bag of marbles, there are 20 red, 15 blue, and 10 green marbles. If three marbles are…

A: From the provided information, In a large bag of marbles, there are 20 red, 15 blue, and 10 green…

Q: A very large pool consists of 22% Democrats, 39% Republicans, and the rest independents. What is the…

A: Given, P(Democrats) = 0.22, P(Republicans) = 0.39, P(independent) = 1-0.22-0.39 = 0.39

Q: A committee has five members. There are three members that currently serve as the board's chairman,…

A: It is given that a committee has five members. Out of which three members are randomly selected and…

Q: In a sample of 1500 adult U.S. citizens, 690 said that Donald Trump was the worst president in U.S.…

A: Sample of size(n)=1500X=no.of adults who said Donald trump was the worst president in…

Q: A jellybean machine dispenses only one jellybean at a time. There are 6 red, 5 blue, 10 black, and 8…

A: Obtain the probability of getting two blue. The probability of getting two blue is obtained below as…

Q: A painting is selected at random from the three Manila painters, what is the probability that it won…

A:

Q: If a classroom of 32 students has 7 males (5 of who are single and 2 who are married) and 25 females…

A: Given,no.of single males=5no.of married males=2no.of single females=7no.of married females=18total…

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.