A group of people were asked if they had run a red light in the last year. 471 responded "yes", and 391 responded "no".Find the probability that if a person is chosen at random, they have run a red light in the last year.

Q: A student is selected at random from a group of 200 students. In which 135 take math, 85 take…

A: Given data: Total number of students =200 Number of students who took Math = 135 Number of students…

Q: What is the probability that a college student from this group chose "housework" and "other" as…

A: olution-: We have following table:   Homework Housework Outside Recreation Other Total Male 29…

Q: In a large population, 54 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given data: 54% of the people have been vaccinated.

Q: According to a recent study, 52% of people admitted to running a red light. If 4 people are…

A:

Q: In a given year, 2,264,724 males and 2,124,694 females were born in a certain country. If a child is…

A: Number of male born in that given year: NM=2264724 Number of female born in that given year:…

Q: In a large population, 51% of the people have been vaccinated. If 5 people are randomly selected,…

A: Probability of selecting a person who has been vaccinated is 51% or 0.51 Number of observation = 5…

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: He can select 5 numbers from 45 numbers in 45C5=1221759 ways He can select a number from 32 numbers…

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: The player can pick 5 numbers from 42 numbers in 42C5 ways. (white balls) And 1 number from 32…

Q: In a large population, 52 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Let p be the proportion of vaccinated people. Given that p = 0.52 Let X denotes the number of…

Q: At a certain college, there were 600 science majors, 200 engineering majors, and 400 business…

A:

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

A:

Q: A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

A: Given : A student takes a ten-question true-false quiz  Probability of success,p = 0.5…

Q: A group of people were asked if they owned a dog. 121 responded "yes", and 400 responded "no". Find…

A: According to the provided information, A group of people was asked if they owned a dog. 121…

Q: In a given​ year, 1,895,051 males and 1,792,212 females were born in a certain country. If a child…

A: Given Data: The number of males born is: n(M)=1895051 The number of female born is: n(F)=1792212 The…

Q: Thirty percent of the students in Unix College is in favour of a ban on drinking in the dormitories.…

A: Let us assume that X= number of students who favor ban  X follows a binomial distribution with…

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: The player can pick 5 numbers from 42 numbers in 42C5 ways. (white balls) And 1 number from 32…

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A: Given info: A survey of 200 people was conducted to see if they smoke.

Q: Suppose a group of students take an influenza test and 96% of the students test positive. What is…

A: Given that Student tested positive = 96% I.e probability of students tested positive is =0.96

Q: One card is selected at random from a deck of cards. Determine the probability that the card…

A: Given a card is drawn randomly from a deck .

Q: A monk crossbred plants, which can have purple or white flowers, and obtained 547 plants with white…

A:

Q: At a car manufacturing plant, 10% of cars have some sort of defect when they come off the line. If…

A:

Q: A softball pitcher has a 0.431 probability of throwing a strike for each pitch. If the softball…

A: Let the R.V X denotes the number of throws and it follows the binomial distribution with parameters…

Q: f there are 19 people in a room, and 1 of them are wearing blue shirts, what is the probability that…

A:

Q: A group of people were asked if they had run a red light in the last year. 496 responded "yes", and…

A:

Q: In a large population, 66% of the people have been vaccinated. If 3 people are randomly selected,…

A: Let the random variable X denote the no. of people have been vaccinated and it follows binomial…

Q: A group of people were asked if they owned a dog. 131 responded "yes", and 385 responded "no". Find…

A: Total response  = 131+385 = 516 To owe dog,  total yes = 131

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: A group of people were asked if they had run a red light in the last year. 476 responded "yes", and…

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

Q: A group of people were asked if they had run a red light in the last year. 281 responded "yes", and…

A:

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: Note: The number of white balls is considered as 42 and number of gold balls considered as 33. It…

Q: A group of people were asked if they owned a dog. 194 responded "yes", and 297 responded "no". Find…

A: Total number of people: 194 + 297 = 491

Q: In a large population, 40 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: In a recent survey of a random sample of 437 California residents, 129 said they visited a state…

A: Given : Sample size = 437 Number of people who said they visited a state park in last 6 months = 129

Q: In the St. Petersburg Community College, 30% of the men and 20% of the women are studying…

A: Let M=a student is menW=a student is womenE=a student is studying…

Q: A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.…

A: The provided data is,

Q: In a given​ year, 1,841,277 males and 2,071,896 females were born in a certain country. If a child…

A:

Q: In a large population, 70 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Solution: Let X be the number of people has been vaccinated and n be the sample number of people…

Q: In a given year 2,103,001 males and 2,325,160 females were born in a certain county. If a child is…

A: Number of males = 2103001 Number of females = 2325160 Total number of child = 2103001 + 2325160 =…

Q: A group of people were asked if they had run a red light in the last year. 470 responded "yes", and…

A: Given that,  Response, Yes = 470 Response, No= 283 Total responses = Yes+No = 470+283 n= 753

Q: A poll is given, showing 45% are in favor of a new building project. If 10 people are chosen at…

A: We have to find given probability.

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

A: From the provided information, Total respondents (n) = 376 + 228 = 604 The total respondents who…

Q: A group of people were asked if they had run a red light in the last year. 478 responded "yes", and…

A: Number of Run red responded yes =478  Number of Run red responded no = 254  Total=478+254=732…

Q: For a week, a clothing company tracks the amounts spent by its customers, with the results shown to…

A: Here given grouped frequency distribution of amount spent by customers of clothing company

Q: A study reports that 25% of male athletes enjoy playing tennis recreationally.  Suppose you randomly…

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

Q: A coin is tossed eight times. What is the probability that the outcome will be eight heads, given…

A:

Q: A group of people were asked if they had run a red light in the last year. 189 responded "yes", and…

A: Given,no.of people run a red light=189no.of people responded "no"=253Total no.of peoples=442

Q: In a group of 25 people, a person tells a rumor to a second person, who in turn tells it to a third…

A: Given information: It is given that, in a group of 25 people, a person tells a rumor to a second…

Q: A group of people were asked if they had run a red light in the last year. 312 responded "yes", and…

A:

Q: A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

A: This will be a binomial distribution with n = 10, p = P(Correct guess) = 1/2 = 0.5 We need to find…

Q: Within the general population in the 21st century, the chances of having twins are about 3 in 100…

A: Given Information: Let A be the event of getting a couple with twin baby. Let B be the event getting…

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.