he student body of a large university consists of 30% Business majors. A random sample of 20 students is selected. What is the minimum usual number of Business majors in the sample? Round your answer to one decimal place

Q: At Jeffrey's Swimwear, 50% of the 18 swimsuit styles are bikinis. How many bikini styles are there?…

A: Given  n=18, p=50%=0.50 Number of bikini=np

Q: Thirty percent of high-school senior boys play in the school band. If a certain high school has 60…

A: Given: Total boys = 60  Play in the band = 30% = 30/100

Q: In a class of 50 students, there are 30 males. Among the male students 10% a students. 20% of the…

A: Given data,Number of students =50No of Males =30No of Females =2010% of male students are honor…

Q: 14% of the towns population is over the age of 65 if there are 3320 residence over the age of 65…

A: Given Information:Data on the town population with the age over  is provided.There are  people in…

Q: All freshmen at Roseville High School are required to play exactly one sport. The table below shows…

A: Solution

Q: Annette is surveying people in the city about their interest in a new shopping mall. She found that…

A: Introduction: The percentage is very significant in arithmetic. The base of the percentage…

Q: You may need to use the appropriate technology to answer this question The Wall Street Journals…

A:

Q: In order to estimate how much annual income that their graduates earn after graduating, York U…

A: the average income 53450the SD is 5530the sample size is n=186.

Q: A researcher wants to find out the number of students he needs to urvey in a school provided that…

A: Given : total no pf students in a school  N=5000 with margin of error e=5%  To find sample size…

Q: Approximately 19% of music lovers like Country Music. Of those who do, 99% do not have mild brain…

A:

Q: 23% of the class was unhappy.  19 students were unhappy. How many students were in the class? Round…

A: To find the total students in the class .

Q: 6.4% of what is 56?

A: Solution is given below in step 2.

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: 73% of the community did not agree with the proposal. The community has 1750 members. How many do…

A:

Q: 6% of 800 boxes of juice are delivered to M&C convenience store, 23% to St. George store, and 42% to…

A: Given that of  boxes of juice are delivered to M&C convenience store,  to St. George store, and…

Q: A newspaper reported on the topics that teenagers most want to discuss with their parents. The…

A: From the provided information, Sample size (n) = 508 37% would like to talk about school so the…

Q: 35% of a sample of employees are vaccinated.if 390 are not vaccinated, how many are vaccinated

A:

Q: Last year, 41% of business owners gave a holiday gift to their employees. A survey of business…

A: Given Information : Population proportion , p = 0.41. Sample proportion , p⏞ = 0.32. Number of…

Q: Calculate the sample mean and sample standard deviation by using Minitab. To investigate on the…

A: Given : Sample size (n) = 10 Confidence interval = 99% Significance level = 1% = 0.01 Data (X)…

Q: 120 students took part in a cross-country race. 30% of them finished the race within the qualifying…

A: It is given that in a cross-country race, 120 students participated and out of them, 30% of the…

Q: It has been estimated that only about 30% of California residents have adequate earthquake supplies.…

A: The sample size (n) is 13 and p = 0.30.

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: 33% prefer aisle seat

A: The confidence interval = 95%Margin of error [E] = 2.5%

Q: A researcher wants to determine what proportion of all high school students plans to attend…

A: Obtain the critical value at 90% confidence level:It is given that the margin of error is 0.02. The…

Q: Allstate claims 92% if it's customes are happy with their service. You randomly call 57 customers…

A: From the given information we conduct Z test for proprtion.

Q: Approximately 19% of music lovers like Country Music. Of those who do, 99% do not have mild brain…

A: It is given that, approximately 19% of music lovers like Country Music.

Q: The boxplot below shows the precipitation in Chicago, IL (in inches) over the past 30 years. In how…

A:

Q: 20% of 60 = __________

A: x % of y = x.y/100

Q: 65% OF A FIRMS EMPLOYES ARE FEMALE 42% of the firms employees are female office workers. what…

A: Given Information 65% OF A FIRMS EMPLOYES ARE FEMALE 42% of the firms employees are female office…

Q: At the local college, a study found that students earned an average of 13.2 credit hours per…

A: Given,Students earned an average of 13.2 credit hours per semester. That is, sample mean  =…

Q: t in their product. Recently manufactured products were analyzed and the results were mg Secret…

A: μ = 0.75 x 0.75 0.758 0.756 0.748 0.752 0.755 0.746

Q: A biologist is sampling randomly from a population of 1000 birds of which 22% are cassowaries, 18%…

A: GivenTotal population of birds = 1000Percentage of cassowaries = 22%Percentage of hornbills =…

Q: A city official would like to know if there is public support for increasing funding for arts…

A: Here the city official is collecting the data by standing the concert hall after a show and surveys…

Q: pproximately 21% of music lovers like Country Music. Of those who do, 97% do not have mild brain…

A: Given Data: P( like country music)=0.21 P( do not have mild brain damage| like country music)=0.97

Q: Approximately 29% of music lovers like Country Music. Of those who do, 96% do not have mild brain…

A: P(like country music) = 0.29 P(not have mild brain damage | like county music = 0.96

Q: a town of 3,000 people, 600 are over 50 years of age and 400 are left-handed. It is also known that…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.