A group of people were asked if they had run a red light in the last year. The number of people that responded yes is 347 and no is 362. Find the probability that if a person is chosen at random, he/she has run a red light in the last year. Round to two decimal places.

Q: In a large school, it was found that 61% of students are taking a math class, 77% of student are…

A:

Q: 31% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39…

A: Given,n=39p=0.31Let X=no.of students major in STEM.X~Binomial(n=39 , p=0.31)P(X=x)=39x…

Q: Out of all families with 4 children, you select one family at random.  What are the chances that the…

A: Given,A family has 4 childernso, total possible out comes are 16 (24=16)

Q: The probability that Mark selects basketball as his favorite sport is 3/4. If three of his…

A: Givenprobability that Mark selects basketball as his favorite sports(p)=34=0.75sample size(n)=3Let…

Q: A friend shares a new playlist of 14 songs with you. The playlist has 2 rock song, 5 pop songs, 5…

A: From the given information, there are 14 songs.   There are,   2 rock songs 5 pop songs 5 rap songs…

Q: Find the probability of getting 3 face cards (king, queen, or jack) when 3 cards are drawn from a…

A:

Q: At a large university, the probability that a student takes calculus and is on the dean's list is…

A: Given that  The probability that a student takes calculus and is on the dean's list is 0.035.…

Q: The probability that a person living in a city owns a pet is estimated to be 0.4. Find the…

A: Given: Prob. that person owns a pet, p=0.4 No. of success, r=3

Q: In a recent semester at a local university, 600 students enrolled in both statistics I and…

A: In a recent semester at a local university, 600 students enrolled in both statistics I and…

Q: 28% of all college students major in STEM (Science, Technology, Engineering, and Math). If 34…

A: We have to find given probability...

Q: A batch consists of 7 defective spark plugs and 33 good ones. Find the probability of getting two…

A: This is a case of a Poisson random variate. A discrete random variable X is said to follow Poisson…

Q: Suppose a jar contains 12 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A:

Q: A group of people were asked if they had run a red light in the last year where 376 responded "yes,"…

A: Event: In probability theory, an event is an outcome or a set of outcomes of a random experiment to…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 50…

A: p( major in STEM)=p=0.27q=1-p=1-0.27=0.73n=50x= no. of them major in STEMhere data follows the…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 35…

A: Formula : Binomial distribution is given by

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

A:

Q: Every day, Jorge buys a lottery ticket. Each ticket has a probability of 0.2 of winning a prize.…

A: Given that the probability of winning a prize is p = 0.2. Let, X = Number of prizes won by Jorge…

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: 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: At a sports camp, it was found that 80% of students play soccer, 71% of students play baseball, and…

A:

Q: A group of people were asked if they had run a red light in the last year. 234 responded "yes", and…

A:

Q: t a large university, the probability that a student takes calculus and is on the dean's list is…

A: Probability of student takes calculus and on the dean's list is 0.026 Probability of student on the…

Q: In a large population, 59% of the people have been vaccinated. If 3 people are randomly selected,…

A: n=3,p=59%=0.59X~Binomial(n=3,p=0.59)Let X be the number of person have been vaccinated.p be the…

Q: Two cards are selected from a standard deck with replacement. Find the probability that they are…

A: Given that Total cards=52 Number of hearts cards=13 p=Number of hearts cards/Total cards…

Q: In a box there are 4 red, 4 blue and 3 white marbles. Two marbles are selected at random and the…

A:

Q: If you are dealt 3 cards from a shuffled deck of 52​ cards, find the probability of getting one…

A: Total number of queen card is 4, total number of king is are 4 and total number of cards are 52.The…

Q: Three friends go bowling. They each throw strikes 51%, 72%, and 26% of the time respectively. Find…

A: Let A be the event that first friend throw strikes  B be the event that second friend throw strikes…

Q: A student and a professor each choose a number between 1and 9. What is the probability that the two…

A:

Q: A group of people were asked if they had run a red light in the last year. 220 responded "yes", and…

A: Here we need the probability that a randomly selected person has run the redlight. Given that 220…

Q: A machine has 28 identical components which function independently. The probability that a component…

A: From the provided information, Sample size (n) = 28 The probability that a component will fail is…

Q: A bag contains 20 white marbles, 6 red marbles, 11 blue marbles, and 8 yellow marbles. If a marble…

A: White marbles = 20 Red marbles = 6 Blue marbles = 11 Yellow marbles = 8 Total marbles = 20 + 6 +11 +…

Q: After seven days, what is the probability that Jorge has won at least one prize

A: Let p be ghe probability of winning a prize. Given that p = 0.4 Let X denote the number of prizes…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 49…

A: Solution

Q: When women turn 40, their gynecologists typically remind them that it is time to undergo mammography…

A: The data is given as:     Breast Cancer No Breast Cancer Total Positive Mammogram 720 6944 7664…

Q: In a large school, it was found that 71% of students are taking a math class, 72% of student are…

A: Given : In a large school, it was found that 71% of students are taking a math class, 72% of student…

Q: A group of people were asked if they had run a red light in the last year. 315 responded "yes", and…

A: Given information- We have given that- Number of people have run a red light in the last year = 315…

Q: An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing…

A: From the given information, n=20 and p=0.69.

Q: Each of three balls is randomly placed in one of three bowls. Find the probability distribution for…

A: Given: total number of balls=3 total bowls=3

Q: In a large school, it was found that 69% of students are taking a math class, 75% of student are…

A: Let A be the event found that a student taking a Math class. And B be the event found that a student…

Q: ssume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A: X is a random variable that such that each outcome of the random variable can be classified based on…

Q: Suppose a jar contains 8 red marbles and 23 blue marbles. If you reach in the jar and pull out 2…

A: Given that, A jar contains 8 red marbles and 23 blue marbles. Total number of marbles = 8+23 = 31…

Q: A group of people were asked if they had run a red light in the last year. 273 responded "yes", and…

A: Here, n = 273+289 = 562 x = number of 'yes' responses = 273

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.