In a survey of 120 consumers conducted in a shopping mall, 78 consumers indicated that they buy Brand A of a certain product, 64 buy Brand B, and 42 buy both brands. How many consumers participating in the survey buy the following? (a) at least one of these brands  consumers (b) exactly one of these brands  consumers (c) only Brand A  consumers (d) neither of these brands  consumers

Q: it gets at least one of these two services from the company? (b) it gets exactly one of these two…

A: Here use venn diagram

Q: A survey of 500 farmers showed that of the​ farmers, 125 grew only​ wheat, 108 grew only​ corn,…

A:

Q: In a commercial involving 1000 person on brand preference, 120 were found to prefer brand X only,…

A: We have to draw venn diagram and outcome for given event.

Q: Product A or B performed better in the study. That is because only ____ % failed to get relief with…

A:

Q: 5. In a fuel economy study, each of 3 race cars is tested using 5 different brands of gasoline at 7…

A: Given: Number of race cars = 3 Number of brands of gasoline = 5 Number of sites = 7 Number of…

Q: A survey of 500 farmers showed that of the​ farmers, 121 grew only​ wheat, 110 grew only​ corn,…

A: Let the Venn diagram below represents the given situation- Given, g=110 ... (1) b=121... (2)…

Q: A survey of 500 farmers showed that of the​ farmers, 123 grew only​ wheat, 114 grew only​ corn,…

A: Given: Total number of farmers, N = 500             Number of farmers who grew only wheat, n(W) =…

Q: In a group of 28 employees, 11 take public transit while 10 drive to work. 9 employees from this…

A: As per our guidelines we are suppose to answer three sub parts .Given,no.of employees take public…

Q: There are 20 seniors serving the student council of a certain school. Of the 20, 3 have not served…

A:

Q: A panel for a political forum is made up of 13 people from three parties, all seated in a row. The…

A: A panel for a political forum is made up of 13 people from three parties, all seated in a row. The…

Q: uppose that there are eight runners in a race. The winner receives a gold medal, the second place…

A:

Q: In a survey of 84 baseball fans in. NYC, 46 were fans of the Mets, 56 were fans of the Yankees and…

A:

Q: An jar contains 4 orange​, 6 ​green, and 3 purple necklace charms. In how many ways can 3 necklace…

A: It is given that the A jar contains 4 orange​, 6 ​green, and 3 purple necklace charms. So that the…

Q: A survey of 500 farmers showed that of the​ farmers, 127 grew only​ wheat, 112 grew only​ corn,…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: In a survey of 251 professional athletes, it was found that 125 of them owned a convertible, 99 of…

A: Let us denote C=convertible, T=giant screen TV, S=sporting good storeGiven that:n(C)=125, n(T)=99,…

Q: Example 44. A committee of 3 experts is to be selected out of a panel of 7 persons; three of them…

A:

Q: A survey of 500 farmers showed that of the​ farmers, 122 grew only​ wheat, 113 grew only​ corn,…

A:

Q: Among a group of students, 50 played cricket, 50 played hockey and 40 played volley ball. 15 played…

A: Given information Number of students who play cricket is  nC=50 Number of students who play hockey…

Q: Eleven graduate students have applied for two available teaching assistantships. In how many ways…

A: In this problem order for the selection is not mentioned therefore we can use combination for award…

Q: How many possible outcomes for the individual games are there, such that overall player A ends up…

A: From the provided information  Out of the 9 games player A can win any of the 4 games, which gives…

Q: A survey of 500 farmers showed that of the​ farmers, 122 grew only​ wheat, 106 grew only​ corn,…

A: Let W represents Wheat C denotes Corn  O denotes Oats

Q: 20 people have volunteered for a 5-person neighborhood advocacy committee. 13 of them are homeowners…

A:

Q: 6. From a group of 9 men and 5 women, five persons are to be selected to form a committee so that at…

A:

Q: 8. In a fruit feast among 200 students, 88 chose to eat durians, 73 ate mangoes, and 46 ate litchis.…

A:

Q: A panel for a political forum is made up of 14 people from three parties, all seated in a row. The…

A: Given: A panel for a political forum is made up of of 14 people from three parties. The panel…

Q: A particular American football play has eleven players: one quarterback, one running back, one…

A: Given data: A particular American football play has eleven players: One quarterback, one running…

Q: At a school education fair, 50 students were interviewed about their interested programmes of study…

A: r  = nA∩B       = student interested in A & Bs = nA∩C       = student interested in A…

Q: A class survey found that 28 students watched television on Monday, 25 on Tuesday, and 24 on…

A: Given The number of a student who was Stevie according to the day in the three day of week. We need…

Q: A committee of 5 consisting of 3 girls and 2 boys is to be chosen from a class with 15 girls and 10…

A: Given: Total Number of Girls=15Total Number of Boys=10Commitee required 5 candidate in whichNumber…

Q: A survey of 500 farmers showed that of the​ farmers, 125 grew only​ wheat, 108 grew only​ corn, 89…

A:

Q: 3. In a survey, out of 255 respondents organized by the City Hall this year, 200 reported that they…

A: Given  X=200, n=255,  p^=X/n  ɑ=0.05

Q: Suppose that a survey of 100 advertisers in U.S. News, These Times, and World found the following.…

A:

Q: A cell phone company offers 19 different voice packages and 19 different data packages. Of those, 6…

A: Given information 19 different voice packages 19 different data packages 6 include both voice and…

Q: 10. A committee of gize 6 is being formed from a group of 10 Republicans, 8 Democrats and 4…

A: Given,no.of Republicans=10no.of Democrats=8no.of independents=4total no.of peoples=22

Q: In a survey of 500 students in a university, 200 are enrolled in Math, 180 are enrolled in…

A:

Q: In a survey of 254 professional athletes, it was found that 128 of them owned a convertible, 119 of…

A: Given - In a survey of 254 professional athletes, it was found that 128 of them owned a convertible,…

Q: 2. A research Development department at Oda manufacturing company determines that 20% of people who…

A:

Q: In a survey, 95% of n = 400 randomly sampled married men said that they would marry their spouses…

A: For men,  = 0.95 * 400 = 380 men were ready to marry there spouses again.

Q: Suppose that four microchips in a production run of fifty are defective. A sample of six is to be…

A: Suppose that four microchips in a production run of fifty are defective. A sample of six is to be…

Q: A large cable company reports the follwing: 80% of customers subscribe to cable TV service, 42%…

A: From the given information,The probability that customers subscribe to cable TV service is…

Q: 1. Among 10 000 students, the result of a survey for face-to-face classes show the following are…

A:

Q: In a survey of 80 university students, 58 had taken mathematics course, 40 had taken biology course,…

A:

Q: A class survey found that 31 students watched television on Monday, 29 on Tuesday, and 29 on…

A:

Q: See picture

A: It is given that there are 10 different computers, 9 different monitors,7 different printers are 4…

Q: assume that there 6 fire stations that need new chiefs and 13 qualified candidates. In how many…

A: There are total 13 qualified candidates.

Q: In a survey of 500 students in the university, 200 are enrolled in Math 10, 180 are enrolled in Kas…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: There are 20 seniors serving the student council of the Bacnotan National High School this year. Of…

A: Number of students not served before are=3 Those who served in all 3 years and serving this year…

Q: A research Development department at Oda manufacturing company determines that 20% of people who…

A: The percentage of a whole is equal to the parts of the whole when a total of 100 parts of the whole…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.