In a survey of 275 people, 258 expressed support for the governor. Find p and q, where p is the probability of randomly choosing a person who supports the governor in the survey. p= q=

Q: In a survey of 131 people 115 expressed support for the governor. Find p hat and a hat where p hat…

A: Given data, n=131 x=115 p=?

Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: 13% of US residents are in their 30s. consider a group of 9 US residents selected at random. find…

A: It is given that the 13% of US residents are in their 30s i.e. the prob. that US residents are in…

Q: A couple has 4 children. Write out the sample space of genders fort heir children, inorder of birth.…

A: It was stated that a couple has 4 children. The possible gender for each child is either male or…

Q: A multiple choice quiz has 10 questions. Each question has 5 possible answers of which only one is…

A: Given that A multiple choice quiz has 10 questions. Each question has 5 possible answers of which…

Q: The probability that an adult possesses a credit card is .35. A researcher selects seven adults at…

A: We have to find  probability..

Q: One student is to be selected at random from a group of 7 freshmen, 5 sophomores, 8 juniors, and 3…

A: 7 freshmen, 5 sophomores, 8 juniors, and 3 seniors  Total=23

Q: A 7​-question ​multiple-choice quiz has 5 possible answers for each question. Only one of the 5…

A:

Q: Suppose 4 coins are tossed. Find the probability of tossing no heads. (Round to - decimal places.)

A: Given 4 coins are tossed. We have to find the probability of tossing no heads.

Q: Two cards are selected from a standard deck of 52 playing cards. The first is replaced before the…

A:

Q: It is believed that 20% of music teachers in New York own a car. 16 music teachers from New York are…

A:

Q: A coin and a die are tossed. Find the probability of getting: a. a head and a multiple of 2 b. a…

A:

Q: Ferry 7 13 16 11 62 Rental Car Train 8 45

A: A Venn diagram for  travelers are given.The aim is to find the probability that a selected traveler…

Q: 88% of adults are high school graduates.  If a random sample of 10 adults is chosen, find the…

A: p=0.88sample size(n)=10Let "x" no. of adults are graduatesx~Binomial(n=10,p=0.88)P(X=x)=

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

A:

Q: 52% of dogs enjoy biting the mailman.  Select 5 random dogs.  Find the probability at least 1 enjoys…

A:

Q: 64% of all Americans are home owners. If 41 Americans are randomly selected, find the probability…

A:

Q: Three coins are tossed. Find the probability of getting at least two head

A: Given Three coins are tossed

Q: The probability of getting a girl is .541. What is the probability of having at least 2 girls?

A: A couple is planning on having 5 children. The probability of getting girl is 0.541. Probability of…

Q: Find the indicated probability. A class consists of 27 women and 32 men. If a student is randomly…

A:

Q: Five coins are thrown. Determine the probability of getting three Tails.

A: Let p be the probability of getting tail. Then p = 0.5 Let X denote the number of tails in throwing…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A:

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Given that, Male and female births are equally likely and that the birth of any child does not…

Q: Imagine there are 23 people in a room.  Suppose that these people were selected randomly.  Give a…

A: Introduction: The probability of an event is the number of cases favorable for the event, divided by…

Q: Suppose that kearny Hight school ,37%are juniors,54% are female, and 28%are female and juniors .Find…

A:

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses…

A: Given,n=25p=14=0.25q=1-pq=1-0.25=0.75Let X=A sample of 25 questions the students answered no.of…

Q: 71% of all Americans are home owners. If 37 Americans are randomly selected, find the probability…

A: The random variable home owners follow binomial distribution. The probability value is 0.71. The…

Q: the cafeteria, the probability of picking a banana is 42% and the probability of picking an apple is…

A: We have given that  P( picking an apple)=P(A)=(25%=0.25 P( picking an banana)=P(B)=42%=0.42

Q: thout replacement. Fin

A: It is asked  Find the probability that two of the cards drawn are aces   Let A be the events such…

Q: A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses…

A: Probability is the chance of occurrence of an event.

Q: The newspaper publishes an article that 62% of teenagers prefer Marvel to DC comics. You decide to…

A: Given that, probability of marvel= 62% = 0.62 So Probability of DC comics q= 1-p= 1-0.62 q= 0.38…

Q: An introductory nursing class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12…

A: Given data, freshman males=9 freshman females=15 sophomore males=8 sophomore females=12 Total =44…

Q: Two dice are thrown. Determine the probability of getting 4 points.

A:

Q: A poll is given, showing 60% are in favor of a new building project. If 8 people are chosen at…

A: Given p =0.6 and n=3   P(X>3)=1-P(X<3)               =1-Cxn px(1-p)n-x…

Q: The probability that a person catches a cold during the cold and flu season is 0.4. If 10 persons…

A: We have given that- P(a person catches a cold during the cold and flu season) = 0.4 Sample size, n =…

Q: 52% of all Americans are home owners. If 48 Americans are randomly selected, find the probability…

A: According to the given information in this question We need to find the following probability of…

Q: 61% of all Americans are home owners. If 37 Americans are randomly selected, find the probability…

A: Given,p=0.61n=37X~Binomial(n=37, p=0.61)P(X=x)=Cxn pxqn-x ;x=0,1,2,.....nand q=1-p

Q: In a recent survey, 80% of the citizens in a community favored the building of a post office. If 15…

A: Solution

Q: A poll is given, showing 55% are in favor of a new building project. If 9 people are chosen at…

A: If 9 people are chosen at random, Probability of exactly 1 of them favors the project: 0.00832…

Q: Suppose you are taking a multiple-choice test with 4 choices for each question. In answering a…

A: Given information Multiple choice question with 4 options Probability that you know the answer…

Q: 61% of all Americans are home owners. If 33 Americans are randomly selected, find the probability…

A:

Q: Students were all given a test that they ALL guess on. It had 10 questions and each were true or…

A: Given that Students were all given a test that they ALL guess on. It had 10 questions and each were…

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.