The coach wants to take the top 20% of the team and train them for the World Sit-up Championships. What raw score cut-off would be used to choose the team? Show your work. Note: you can't have part of a person on the team.

Q: find the weighted average. 3 test scores were 75, 5 test scores were 88 and 2 test scores were 90.

A: Given,3 test scores were 755 test scores were 882 test score were 90

Q: Final Grade An instructor gives four 1-hour exams and one final exam, which counts as two 1-hour…

A: GivenInstructor gives 1-hour exams grades is 62,74,96,86and one final exam which counts as two…

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: n=9, p=0.35,x=2

A: Let x be the random variable which follows binomial distribution with sample size 9, and probability…

Q: While at the local ice skating rink, Cora went around the rink 27 times total. She slipped and fell…

A: We can find the answer as below.

Q: 57 72 81 30 35 43 44 47 48 54 55 56 59 62 63 65 66 68 69 69 71 72 73 74 76 77 77 78 79 80

A: sample size (n) = 30arrange data in accenbding order :…

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: Approximately how many of the families in the survey have less than four children? O 130 O 140 260…

A: Given graph is

Q: Carl earned grades of 62, 78, and 89 on four math tests. What is the mean of his grades?

A: The grades earned by Carl are : 62, 78 and 89 The number of grades, n=3 To evaluate : The mean of…

Q: James surveyed some of his dassmates about what vegetable they like best. Complete the table.…

A: Simple addition problem....

Q: Noah scored 25 points in a game. Mai's score was 35 points. The mean score for Noah, Mai, and Clare…

A:

Q: Three students were applying to the same graduate school. They came from schools with different…

A: Given: Data on GPA of three students applying to the same graduate school. The z score for Thuy with…

Q: 20% of the 35 students in Mr. Box’s class enjoy eating broccoli. How many students like broccoli?

A: 20% of the 35 students in Mr. Box’s class enjoy eating broccoli.

Q: 33% prefer aisle seat

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

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: You want to find out the top three food items sold in your school cafeteria. Select the best way to…

A:

Q: In a statistics course, the course grade is computed based on midterm exam, Final exam, term…

A:

Q: A team of students lined up dominoes on the gym floor. Of the 400 dominoes they used, 25% fell over.…

A:

Q: Create an online survey of your section on "The Devices Available at Home Use for Learning" either…

A: Results of the survey is; Number of people who use smartphone = 20 Number of people who use laptop =…

Q: Find the point estimate for the population proportion.             A Southern student wants to know…

A: It is given that the sample size (n) is 888 and the number of people spoke 2 or more languages is…

Q: Part 2 of 2 (b) The bottom 2.5% of students must go to summer school. What is the minimum score you…

A: It is given that  Mean = 395 Standard deviation = 96 Z-Score, Z = ( X - μ )/σ

Q: At an ice cream shop, 145 customers were surveyed about what flavor is their favorite. The results…

A: We need to find that what percent of customers surveyed chose chocolate as their favorite flavor.

Q: Here are ratings (on a scale from 1 through 5) for various Super Bowl party foods. You have to…

A: The objective of the question is to determine the type of average that would be most appropriate to…

Q: A local college newsletter reported that the average American college student spends one hour (60…

A: Males Females 210 45 930 75 30 30 30 45 10 15 5 180 750 90 270 120 60 150 150 15…

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

A: GIVEN DATA : 180 people or 37.5% of those she surveyed do not want the new mall. TO FIND : Total…