13. A school board is forming a committee to discuss new dress code rules. Of those invited to join the committee, 12% are parents of students, 48% are teachers from the school, 24% are administrators, and the remaining 4 individuals are students. How many more teachers were invited to join the committee than administrators?

Q: The lecturer collected 266 books originally written for Japanese children and required her students…

A:

Q: Students at the University of Alabama use the following modes of transportation: bike, car, and bus.…

A: Given: Students at the University of Alabama use the following modes of transportation: bike, car,…

Q: Lilo wants to know if equal proportions of students in her class know how to surf well, know how to…

A: Hypothesis being tested by Lilo :  Null : H0: Equal proportions of students in her class know-how to…

Q: In a poll of 531 human resource​ professionals, 53.9​% said that body piercings and tattoos were big…

A: Sample size (n) = 531 Out of which 53.9% said that body piercings and tattoos were big grooming red…

Q: c. Complete the following table. (Round fe to 1 decimal place. Round (fo - fe)2/fe to 3 decimal…

A: Given that,The data shows the number of candies purchased.The percentage of each color in the…

Q: 20. The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names…

A: The study shows that class were 64 girls and 16 boys.

Q: During the 4th of July weekend, state troopers arrested 390 drivers for DUI. Of those, 45% were…

A: Total number of arrested driver= 390  50% were suspected of using marijuana. So, 50% of 390 =…

Q: At a pow-wow, 98 families came to participate in the ceremonies. A coordinator of the pow-wow took a…

A: Given survey:19 families brought food, costumes, and crafts;31 families brought food and crafts;53…

Q: 24. The popularity of then President Sarkozy had an approval rating of 26%. a. P(fewer than 60 of…

A: Let an experiment has been repeated n timesHere, each experiment has the same probability of…

Q: 16. The overall percentage of students sending text messages on their phones is 80%. The overall…

A: Percentage of students sending text messages on their phone is 80%.Overall percentage of studentsn…

Q: turned. We want to use a 0.05 significance level to test the claim that men and women have were…

A: Given α=0.05

Q: 3. A consumer testing agency wants to evaluate the claim made by a manufacturer of discount tires.…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: From a survey of 120 people, the following data were obtained: 90 owned a car 40 owned a home 35…

A: Out of 120 people,U=120Number of people who have own car their is :

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

Q: a survey of 150 freshman business students at a local university produced the results listed below.…

A: 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and…

Q: Here are some options for splitting the volunteers into groups. Which method will best address the…

A: In order to conduct any controlled experiment, the subjects are allocated to different treatments…

Q: 5. Consider a group of 15 people. If everyone shakes hands with everyone else, how many handshakes…

A:

Q: 7. A survey of 120 people was conducted to determine how many people watched 3 different television…

A:

Q: In a recent taste testing survey, it was found that 2/5 of all people surveyed preferred the taste…

A: Total people = 2400

Q: In a recent survey, 500 participants were asked about their favorite genre of movies. The results…

A: Answers:1. To calculate the number of participants who preferred action movies:   - Multiply the…

Q: 10. A liberal arts college has one thousand students. The numbers studying various languages are:…

A: Given a liberal college has one thousand students.  Number of students who study French(F)=220…

Q: Suppose you were going to conduct a survey of visitors to your campus. You want the survey to be as…

A:

Q: A local blood center needs donors and has advertised on the college campus. Faculty, staff, and…

A:

Q: A survey of 125 freshmen business students at a local university produced the results listed below.…

A:

Q: USE THE FOLLOWING INFORMATION TO ANSWER THE NEXT TWÓ QUESTIONS. At a particular university, 60 % of…

A:

Q: 4) You know that 70 percent of the subs at theme parks in the US are yellow. There are 220 subs in…

A: Given Data: n=220 p=0.7   Using central limit theorem X~ Normal (154, 6.7972)