A company took a survey about its new product. 7,200 people liked the new product and 800 people did not. What percentage of the people surveyed liked the new product?

Q: In a school band of 24 students, 9 students play brass instruments. What percent of the members play…

A: The total students in the and is 24. The number of students that play brass instruments is 9.

Q: What fraction of survey respondents identified themselves as Republicans? What fraction of survey…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given :

Q: We would like to know: "What percentage of college students read the college newspaper every day?"…

A: There are two ways to draw conclusion about a population.

Q: 5.) Ms. Cyrus has 64 songs on her phone. Two- fifths of the songs are R&B songs. The rest are jazz.…

A:

Q: In the freshmen class, 62% of the students take Math, 49% take Science, and 38% take both Science…

A: It is given that, P(Math) =62%=0.62 P(Science) =49%=0.49 P(Math and Science) =38%=0.38

Q: Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients…

A: Total patient=60 Patient who showed no improvement=24 To calculate: what percent of patients…

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

A:

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: . In Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that40%…

A: Let us define the events as, A: Boys who play football.B: Boys who play ice hockey. From the given…

Q: A September, 2014, survey indicated that 53% of U.S. adults aged 18–29 used the social media…

A: Let total number of adults of U.S., aged 18-29, be x.   Given: Adult used instagram=53% of x=2Adult…

Q: On the Planet Zog, 50% of the population like watching sport, 60%of the population like listening to…

A:

Q: what are the percentages of each individual fruit?

A: What are percentage of each individual

Q: In a recent study, 46% of people enjoy country music.  If 200 people are surveyed about their…

A: Given : Proportion (prop.) of people enjoy country music p = 46% = 0.46 Sample size of people n =…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: n Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that 40% of…

A:

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: A local radio station surveyed 200 students from one high school to determine their favorite music.…

A: Given Data: P(Rock music)=0.45 P(Rap Music)=0.35 P(Country Music)=0.2   n=3000

Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…

A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…

Q: A management survey for a company surveyed 235 employees. 105 of the employees surveyed were…

A: Given, Number of employees= 235 Female employees= 105 Male employee % =?

Q: Celine's city took a survey about a plan for a new park. Of the people surveyed, 78 liked the plan…

A: In a survey: 78 people liked the plan and 52 did not like the plan. Total number of people in the…

Q: At a popular vacation spot in Arizona, the Arizona Tourism Board took a survey of 100 people to…

A: Complete the two way table and Find P ( who are from Arizona or who used a car ) = ? %

Q: what percentage of bus drivers had 3 or more traffics acccidents

A: From the provided information, Sample size (n) = 700 Total frequency of 3 or more traffic accidents…

Q: In 2015, the median family income in the United States was $66,650. (Source: U.S. Census Bureau) If…

A: Given information Median family income = $66650 90th percentile for 2015 four-person family income…

Q: The chart shows the percent of people that use each different type of browser. If 8,000 people were…

A: To Determine: how many selected chrome? Given: we have 8,000 people were surveyed. Explanation: we…

Q: what percentage of the men worked?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 what percentage of the…

Q: There are 12 boys in a class of 30 students. What percentage of the class is boys?

A:

Q: A sample of 125 light bulbs contained 3 defective bulbs. How many defective bulbs would you expect…

A: Given infromation:A sample of 125 light bulbs contained 3 defective…

Q: In a recent survey of 180 people who drink coffee or tea, it was found that 137 drink coffee and 74…

A:

Q: A hospital discharged 2,895 patients in January. If 3% developed a hospital-based infection, how…

A: Given, No of patients discharged in January=2895 3% developed a hospital-based infection No of…

Q: What proportion of students either own an automobile or lives in a dor

A: From the given information, P(own an automobile)=0.60 P(lives in a dormitory)=0.20 P(own an…

Q: What percentage of the blocks are red?

A:

Q: An airline food service found that a recent flight of 120 passengers ordered dinner as depicted in…

A:

Q: We would like to know: “What percentage of college students read the college newspaper every day?”…

A: We have to find given probabiity.

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: A school knows that 38% of its incoming students own a smart phone and a tablet. What percent of…

A: Let S be the set of students with smartphone and T be the set of students with tablet Percentage of…

Q: Jason reads a report that says 80% of U.S. high school students have a computer at home. He believes…

A: Given- p=claimed proportion =80%=0.8   and   n=sample size=60 To check- The conditions are satisfied…

Q: A recent survey reports that 22% of students take the bus to campus. If 660 students commute to…

A:

Q: a survey showing the popularity of the current governor gives an approval rating between 42% and…

A:

Q: How many performers earned exactly 1 star?

A: Given: Total number of performers, N = 140 Percentage of performers got 1 star = 15%

Q: 2400 people attended a basketball game. 696 of the people attending supported the home team, while…

A:

Q: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: Among survey respondents who thought the economy was getting better, what fraction were Republicans?…

A: Instruction : "I only need help with the last 2 please" Given : Total respondents  =651

Q: What percent of Males are Right Handed? (Round to the nearest Whole Percent) Gender compared to…

A: In this question we need to find a % of males are right handed . While calculating percentage of…

Q: The campus demographics state of 40 percent of students are male if there are 300 students, then how…

A:

Q: On a quick survey, respondents had to pick their favorite dessert from ice cream, cake, chocolate,…

A: Let's find.

Q: In a Harris poll of 2302 adults, 14% said they have a tattoo. Approximately how many adults have a…

A: Given information- We have given that in a Harris poll of 2302 adults, 14% have a tattoo. We have to…

Q: The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first…

A: According to the given information in this question It follows binomial distribution with parameters…

Q: A local school reports that the average GPA is 2.66 (σ =0.40). What is the effect size if the sample…

A: Given information- Population mean, µ = 2.66 Population standard deviation, σ = 0.40 Sample mean of…

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.