A regional survey found that 60% of all families who indicated an intention to buy a new car bought a new car within 3 months, that 10% of families who did not indicate an intention to buy a new car bought one within 3 months, and that 24% indicated an intention to buy a new car. If a family chosen at random bought a car, find the probability (as a percent) that the family had not previously indicated an intention to buy a car. (Round your answer to two decimal places.)

Q: According to a study conducted in 2003 concerning the participation, by age, of 401(k) investors,…

A: We need to find of the probabilities for part (a) and part (b)

Q: Dana Hills High School was considering going back to campus rather than remote instruction for the…

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

Q: A survey conducted by a song rating service finds that the percentages of listeners familiar with…

A: From the provided information, The probability distribution table can be constructed as: X 1…

Q: survey of 35 students at a Hong Kong business school showed the following majors:    Accounting 10…

A: It is given that the, There are a total of 35 students at a Hong Kong business school and out of…

Q: In a government aid program, the following data is collected. Of the people who attend the program,…

A: We have to find out given probabiity..

Q: According to the U.S. Coast Guard, sixty-five percent of boating accidents occur in light wind…

A: From the provided information, Sample size (n) = 20 Sixty five percent of boating accidents occur in…

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Solution: Let X be the number of adults say that they were too young when they got their tattoos and…

Q: A survey showed that 23% of college students read internet news on a regular basis and that 81% of…

A:

Q: What is the percent probability that a family randomly chosen has both a red and a silver car? Round…

A:

Q: A fruit retailer complains to a wholesaler that 60 percent of the boxes of apples shipped to the…

A: Given:X: Number of boxes contain rotten applen: Sample size = 15p: Proportion of the boxes of apples…

Q: To avid detection at customs, a traveler places 6 narcotic tablets in bottle containing 9 vitamin…

A:

Q: A survey conducted by a song rating service finds that the percentages of listeners familiar with…

A: The probability distribution table is X P(X) 1 0.04 2 0.13 3 0.19 4 0.2 5 0.44

Q: Q3/The Dallas-Fort Worth Airport claims that 80% of their flights are on time. If the claim is…

A: We have given that  n=25 , p=80%=0.80 X~Binomial(n=25,p=0.80)

Q: A survey at a restaurant in small western town yielded the data below: travelers : married 27,…

A: General formula of probability is ,  Probability = Number of favorable outcomesTotal outcomes

Q: In the United States, 75 percent of adults wear glasses or contact lenses. A random sample of 10…

A: A random variable X, is said to follow binomial distribution if the probability mass function of X…

Q: A survey at a restaurant in small western town yielded the data below: Married Single Divorced…

A: See the handwritten solution

Q: A credit card company tracks how long it takes for new account holders to activate their credit…

A: Given data is X P(X) 5 3596 6 14 7 18 8 748 9 1196

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Obtain the probability that no more than two of the visitors will purchase milk. The probability…

Q: Below, the two-way table is given for a class * of students. Freshmen Sophomore Juniors Seniors…

A: Solution: The given table of data is

Q: Complete the table that shows a random sample of 100 hikers and the areas of hiking preferred a)…

A: Solution: a. The given table of data is

Q: A survey conducted by a song rating service finds that the percentages of listeners familiar with…

A:

Q: Too Young to Tat-Based on a Harris poll, among adults who regret getting tattoos, 20% say that they…

A:

Q: A school survey found that 7 out of 30 students walk to school. If two students are selected at…

A:

Q: In a data set of 10,000 users, 800 users watched the movie Harry Potter; 600 users watched the movie…

A:

Q: It has been found that 1 out of every 10 visitors to a museum buys something from the gift shop. If…

A:

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: Given information,   Has a brother Does not have a brother Total Has a sister 3 4 7 Does not…

Q: The Political Action Club has surveyed 270 students on your campus regarding the relationship…

A:

Q: A car insurance company tracks how long it takes for it takes a new car owner to get into their…

A:

Q: In a random survey of 20 students, find the probability that exactly 17 of them will say that they…

A: Given: Total number of students in survey n=20 Number of students say that they do not get enough…

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A:

Q: A recent survey found that​ 70% of all adults over 50 wear sunglasses for driving. In a random…

A: Given that in a recent survey found that​ 70% of all adults over 50 wear sunglasses for driving.…

Q: The chart below summarizes data related to the number of cars stopped for speeding on Route 195. The…

A:

Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1100 Americans are sampled. a)…

A: Given: Let 'X' be the number of Americans afraid to fly. 10% of Americans afraid to fly. Sample size…

Q: To investigate how often families eat at home, Harris Interactive surveyed adults living with…

A: The data is provided for the adults living with children under the age of 18. The results are;

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A:

Q: A university recently surveyed 500 students to determine which new fitness area to offer in its…

A: Required probability is P(spinning room/graduate student)

Q: An online fashion show features an advertisement for a clothing line brand. According to a marketing…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The grades of a freshman college class, obtained after the first year of college, were analyzed.…

A: Percentage of students In top quarter is 70%. College class had graduated in the upper 10% of their…

Q: A survey conducted by a song rating service finds that the percentages of listeners familiar with…

A: The given probability distribution is as follows:

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A: Given that contingency table Now using this table find required probability.

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: n=350, p=35%,  X~Bin(n=350, p=0.35) P(X≥100)=?

Q: It is estimated that, during the past year, 28% of all adults visited a therapist and 43% ef all…

A:

Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

A:

Q: Catherine Chao, Director of Marketing Research, needs a sample of Kansas City households to…

A:

Q: The marketing department of a TV manufacturer has done research on the number of TVs owned by…

A: Expected value:The expected value of a discrete random variable X is defined as the sum of the…

Q: (b) What proportion of the children were 35 months or older, but less than 45 months of age when…

A: Rearrange the data set and create a frequency table from the above data given.

Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

A: Consider the formula for the probability. Assume n to be the total number of the participant…

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Given,n=10p=0.23Let X=no.of adults to get tattoosX~Binomial(n=10  ,  p=0.23)P(X=x)=10x…

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.