Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower than Kevin? students

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: Approximately 10% of students have a composite score below what level

A: If X is the composite score of the students, then we need to search for a x, such that P[X≤x]=0.1.

Q: Find the percentile, rounded to the nearest percent, for Shaylen's score.

A: Concept: Percentiles are statistical measures that define the percentage of data points lying…

Q: the mean = 146, and s =  35 Question #3 A percentage of female students with scores between 41 and…

A: From the provided information, Mean (x̅) = 146 Standard deviation (s) = 35

Q: What percent of students had an IQ of at least 120​?

A: From the given histogram, the frequency table can be observed as shown below:

Q: Angela took a general aptitude test and scored in the 88th percentile for aptitude in accounting.…

A: Given that Angela took a general aptitude test and scored in the 88th percentile for aptitude in…

Q: the average score of 10 students is 85. what will be the mean if another student will take the test…

A: From the provided information, Average score of 10 students = 85

Q: After six biology test, Ruben has a mean score of 77. What score does Ruben need on the next test to…

A:

Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

Q: If I tell you that you scored at the 85th percentile know:

A: Here use definition of percentile  Percentile represents the how much data below or at that value…

Q: How many of your batchmates have you surpassed if your graduation rank in high school is 56th…

A:

Q: The reported CORONAVIRUS cases was 1200 in Oman on MARCH, 2021. It was expected to raise to around…

A: The cases were 1200 expected to rise to 1800  ,the cases actually rose to 2500  Expected value is…

Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50.  If this score is…

A:

Q: Eight hundred student took a 90-point standardized examination. After the examination, the students…

A:

Q: On a reading examination given to 900 students, Elaine’s score of 602 was higher than the scores of…

A: Solution

Q: Jesse was ranked 36th in his graduating class of 180 students. At what percentile is Jesse's…

A:

Q: Kevin scored at the 70th percentile on a test given to 9940 students. How many students scored lower…

A: Given Kavin got 70 percentile. Total students are 9940.

Q: The median salary of the 1,264 teachers in a large public school district is $39,350. If the 66th…

A:

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: Angela took a general aptitude test and scored in the 86th percentile for aptitude in accounting.…

A: Percentiles:If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: Angela took a general aptitude test and scored in the 92nd percentile for aptitude in accounting.…

A: In the question given, Angela has scored in the 92nd percentile for aptitude in accounting.

Q: A company took a survey about its new product. 7,200 people liked the new product and 800 people did…

A:

Q: Angela took a general aptitude test and scored in the 84th percentile for aptitude in accounting.…

A: Obtain the percentage of the scores that were at or below her score. From the information, given…

Q: A proportion .40 of the tagged birds were recovered. 150 were tagged in all. How many were…

A:

Q: Angela took a general aptitude test and scored in the 85th percentile for aptitude in accounting.…

A: A percentile can be defined as the value below which a certain percentage of values fall for a set…

Q: What percent of the schools have an acceptance rate below 15%? O a) 1% O b) 4% 12% O d) 16%

A: The number of values corresponding to a class or observation is defined as the frequency of that…

Q: DA

A: There are four sectors in the circle and denoted with A, B, C and D   As we can see in the circle…

Q: What percentage of scores are between scores 75 and 89?

A: By emperical rule  P(-1<Z<1)= 0.68 P(-2<Z<2)=0.95 P(-3<Z<3)= 0.

Q: What percentage of scores are between scores 68 and 82?

A:

Q: Rene scored at the 84th percentile on a test given to a 12600 students . How many students scored…

A: Given percentile of Rene=84

Q: You took the English achievement test to obtain college credit in freshman English by examination.…

A: General definition of pth percentile: For whole numbers p(where 1<p<99) , the pth percentile…

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

A:

Q: After six biology tests, Ruben has a mean score of 74. What score does Ruben need on the next test…

A: The mean score of Ruben after six biology tests is 74.

Q: Celyn is among the 1500 students of the school.If Celyn's score based on the Standard-Binet test is…

A: Given: Number of students = 1500 Score on standard Binest test is 105

Q: Roxanne ranks 10th in a class of 40. Her percentile rank is

A:

Q: Nygel answer 11 out of 12 test questions correctly. What percent of his test questions did he answer…

A:

Q: A sample consists of n = 16 scores. How many of the scores are used to calculate the range?

A:

Q: On a placement examination, Fatimah scored lower than 420 of the 980 students who took the exam.…

A: It has been given that Fatimah has scored less than 420 of 980 students which means her score is…

Q: You know that 149 of the 196 students that took a test scored lower than 85 on test. What percentile…

A: As given,  There are 196 students  Out of 196 students, 149 students have test scored lower than…

Q: A survey of 1179 adults nationwide  asked what irks you most about The actions of other Motorist"The…

A: Given: Number of People surveyed=1179 People voted for tailgater=796 To find: Percentage(x).

Q: Jesse was ranked 18th in his graduating class of 180 students at what percentile is jesses ranking?…

A: The formula for finding the percentile is, x+0.5yn×100 Where x is the number of data values counting…

Q: A survey of 1104 adults nationwide asked, what irks you most about the actions of other motorists?…

A: Percentage is the ratio of people responded tailgators to the total people surved.

Q: During the scholarship examination of a certain scholarship grant taken by 10,000 applicants,…

A: Given : Annabelle score (x) =350total number of applicant =10000Number of rank below x =8995

Q: The mean score on a test is 75, the median score is 80, and the mode score is 85.  Pat got an 82.…

A: Given: The mean score on a test is 75, the median score is 80, and the mode score is 85.

Q: Katrina must take five exams in a math class. If her scores on the first four exams are 71, 69, 85,…

A: Given that Katrina scores on the first four exams are 71, 69, 85, and 83 and suppose she scores x…

Q: 350 students took a standardized test, Sarah’s score was ranked at the 7th. What was the percentile…

A: that is (7×100)/350=700/350 =2

Q: Angela took a general aptitude test and scored in the 85th percentile for aptitude in accounting.…

A: Given, Angela scored 85th percentle. 85th percentile means there is 85% scores below the score and…

Q: Rene scored at the 84th percentile on a test given to 12,600 students. How many students scored…

A: Given Rene scored at the 84th percentile a test given to 12,600 students.   How many students scored…

Q: Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and…

A: