A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the
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math
In a certain Algebra 2 class of 26 students, 7 of them play basketball and 13 of them play baseball. There are 10 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

math
In a certain Algebra 2 class of 25 students, 6 of them play basketball and 12 of them play baseball. There are 11 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

Mathematics
In a math class with 28 students, a test was given the same day that an assignment was due. There were 20 students who passed the test and 19 students who completed the assignment. There were 16 students who passed the test and also completed the

math
In a class of 150 students 70 passed in verbal and 90 passed in aptitude.10 failed in both the subject.how many students passed in both subject

venn diagram
IN A CLASS OF 130 STUDENTS.85 PASSED IN MATHS, 60 PASSED IN SCIENCE, 10 FAILED IN BOTH. a) how many passed in science but failed in math b)how many failed in exactly one subject

maths
In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects and 8 students passed both subjects.How many students passed biology and chemistry.

Mathematics
In a certain Algebra 2 class of 27 students, 11 of them play basketball and 13 of them play baseball. There are 5 students who play neither sport. What is the probability that a student chosen randomly from the class plays basketball or baseball?

math
75% of the students in a class passed an exam if 2 more students had passed the exam , 80% would have been successful . how many students are there in the class.

ALGEBRA 2
In a certain Algebra 2 class of 26 students, 21 of them play basketball and 7 of them play baseball. There are 2 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

Math
In a class of 156 students who took maths and physics they all passed at leat 1 subject 75 pass math and physics.if twice has passed physics find how many students pass math only. Represent in Venn diagram.

math
In a certain Algebra 2 class of 28 students, 23 of them play basketball and 12 of them play baseball. There are 3 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

maths
In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects.i.how many students passed biology ii.how many students passed chemistry iii.how many

Math
In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15

Algebra 2 Probability
a math teach gave her students two tests. on the first test, 64% of the class passed the test, but only 40% of the class lassed both tests. What is the probablity that a student passes the second test given they passed the first one? Ms. sue or Steve help!

mathematics
in a class, 156 students study science and mathematics.if they passed at least one subject and twice as many passed science as many passed mathematics and 75 passed in mathematics subjects, find how many passed in mathematics only.

Math
More than 18'students in an algebra class pass the first test. This is about threefifths of the class. How many students are in the class? How do you know?

mathsurgently needed
90% of all students passed in Hindi, 85% in Maths and 150 students passed in both. calculate total number of students in the school.

math
In a school, 156 students passed geography or history. There were 75 students who passed in both subjects. If 9 more passed Geography than history, find how many were taking each subject

ashford
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed

Statistics
Which Professor? Suppose Professor Alpha and Professor Omega each teach Introductory Biology. You need to Decide which professor to take the class from and have just completed your introductory statistics course. Records obtained from the past students

math
Mr. Mole determined that 2/3 of the students in his math class had pased the final exam. If 16 students passed the test, how many students are in Mr. Moles class?

Math
There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test? ****** This is how I slove the

C++
class professor {}; class teacher : public virtual professor {}; class researcher : public virtual professor {}; class myprofessor : public teacher, public researcher {}; Referring to the sample code above, if an object of class "myprofessor" were created,

statistics
In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Thursday. From past data it was noted that 98% of those who went to class on Thursday pass the course, while only 20% of those who did not go to class

math
in a class of 40 students, 80% are business majors. of the 24 students who passed the midterm exam, 75% are business majors. What percertange of students in the class who are not business majors passed the examination

Maths
In a science class of 120 student ,56 passed physics,61 passed chemistry ,60 passed biology,20 passed both physics and chemistry 24 passed both physics and biology,26 passed both chemistry and biology and 5 passed none of the three subjects. (1). Draw a

statistics
In class of 125 students, 70 students passed in Math, 56 students passed in Statistics, and 30 passed in both. The probability that a student selected at random from the class, has passed in only one subject is

math
70% of Ms. Miller's class passed the test on the first try. Those who failed were able to retake and half of those students passed on their second try. If there are 20 students in the class, what overall percentage passed the test?

math
In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15

ma
In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many

Math
There are three times as many people in the psychology class as in the art history class. there are 16 more people in the algebra class then the art history class The total enrollment of the three classes is 86. How many students are enrolled in each

Pysics
Realizing that she often doesn't have her students' full attention during class, a professor devises an elaborate device on which to stand while she lectures. The pulley is placed so that the string makes a 45.0degree angle with the beam. The beam is

Normal Probability Distribution
A professor at a local college noted that the grades of his students were normally distributed with an average percentage of 74 and a population standard deviation of 10. He found that 6.3% of his students received A's while 2.5% of his students failed the

Math
There are 28 students in math class. 22 of them passed the test. What percentage passed the test.

math
A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the probability that:

statistics
3 PROFESSORS WANT TO KNOW IF HAVING 500 STUDENTS IN THEIR CLASS IS DETRIMENTAL TO PROPER LEARNING. 1ST PROFFESSOR RANDOMLY HANDS OUT THE QUESTIONNAIRE TO 50 STUDENTS; ALL 50 ARE RETURNED TO HIM DURING CLASS. 2ND PROFFESSOR HANDS OUT THE QUESTIONNAIRE TO

SAT Math
All of the students who took chemistry at Groveton High School last year were juniors or seniors, as shown in the table below. If 80% of the students who took chemistry passed, then what fraction of the students in the combined junior and senior classes

Business Stats
In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class

Math
If there is a laws of 40 students and only 85% of the class passed how many passed the test

Mathematics
In a class of 160 students, who took science and math examination. If they passed at least one subject and twice as many passed in science as math and 76 passed in both subject. Find how many passed in math only Illustrate your answer in a Venn diagram

Algebra 1
Mary's class took two tests last week. 80% of the class passed the math test, 90% of the class passed the English test, and 72% of the class passed both. What is the probablility that a randomly selected student in Mary's class failed both tests? Express

mathematics
1. In an examination conducted for 80 candidates, those who passed in mathematics were 17 more than those who passed science and 9 failed both subjects.14 candidates passed both subjects. I. Draw a venn diagram to illustrate this information II. How many

statistics
A college professor believes that students take an average of 15 credit hours per semester. A random sample of 24 students in his class of 250 reported the following number of credit hours that they were taking:

Maths
There are fifty students in a class. In a 100 marks exam, 20 students scored less than 30 marks, 5 students scored more than 70 marks and the remaining scored between 30 and 70 marks. If passing score is 55 marks and 40% students have passed the test, what

math
In a exam 80% students passed in accountancy, 85% paased in mathematic ,75% passed in both subject. If 45 students fail in boths subject than what is the total number of students?

statistics
below is the test scores for students in a statistics class.80,65,79,83,60,79,90,77,84,93.the professor assigned a grade of c to students whose test scores were within 5 points of the mean in either direction .how many students got cs?list their test

set (math)
A class of 47 students took examination in algebra and geometry. If 29 passed algebra and 26 passed geometry and 4 failed in both subjects, how many passed both subjects? With solution please, tnx...

Probability
A college professor has been studying the relationship between the attendance habits of his students and the grades they earn in his courses. A breakdown of 200 of his students revealed the following: Attended regularly  160 Attended sometimes  40

Math
There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test?

math
out of 100 students in a final examination of class 10, 70 passed in mathematics, 60 passed in science and 10 failed in both subject If 10 students absent find the number of students who passed both subject by using venn diagram

maths
In a class of 60 students, the number of students who passed biology is 6 more than the number who passed chemistry. Every student passed at least one of the two subjects and 8 students passed both subjects. I) how many students passed biology? ii) how

math
In a class,30 students passed in math,20 passed in physics and 8 passed in both. How many students failed in both if the class has 45 students?

Algebra
In a form two class of a school, there were 156 students who took science or mathematics examination. If each student passed at least one subject and twice as many passed science as mathematics and 75 passed in both subjects, find how many passed in

Math
Professor Sousa has 83 students in her anthropology lecture class. 42 of the students are sophomores and the others are juniors. What fraction of the class is sophomores?

Math
In a math class, students can take either algebra or geometry or both. If there are 50 students in the class and 35 take geometry, while 28 take algebra, how many students take both?

MAth
14 students in an Algebra class were asked to shake hands with each other. Each student shook hands with each of the other students exactly once. How many handshakes occured in this class?

trig
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came

trig.
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came

math
â€¢You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All four (4) of you decided to take the same chemistry class together at the local university along with 21 other students. On the first

Language
One particularly nice afternoon, several students were trapped in a classroom listening to a monotonous lecture by a professor the local college. After over two hours of mindnumbing discourse, one student stood up in despair and noted that she had a book

Algebra
There are three times as many people in the psychology class as in the art history class. there are 16 more people in the algebra class then the art history class The total enrollment of the three classes is 86. How many students are enrolled in each

Statistics
A professor has noticed that, even though attendance is not a component of the final grade for the class, students that attend regularly generally get better grades. In fact, 39% of those who come to class on a regular basis receive A's. Only 14% who do

math
Four students fall asleep during class and, while asleep, the professor rearranges their notebooks so that when they wake up, nobody has his or her own notebook. In how many ways could the professor have rearranged the notebooks? 4 6 9 24 Explain

Math
Four students fall asleep during class and, while asleep, the professor rearranges their notebooks so that when they wake up, nobody has his or her own notebook. In how many ways could the professor have rearranged the notebooks?

fractions
In Mr. Johanessen's class, 1/4 of the students failed the final exam. Of the remaining class, 1/3 scored an A. What fraction of the whole class passed the test but scored below an A?

Math (advice)
So in my calculus class we learned about implicit differentiation today. The professor would stop and ask if we had any questions, which was nice. I didn't ask any questions though, because I don't really like to ask questions during class. I didn't really

Physics
Realizing that she often doesn't have her students' full attention during class, a professor devises an elaborate device on which to stand while she lectures. The pulley is placed so that the string makes a 45.0degree angle with the beam. The beam is

Math
I have a problem on standard deviation, and I will need some help with it. Problem: Each professor in an English class give an A to students scoring above 90 and a F to those scoring below 60. Professor 1 has a normal distribution with a mean of 74 and

Logic
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed

Algebra
I am getting ready to start an Algebra class for the first time and I was wondering what challenges people have with learning and using algebra concepts. Also what are the best ways to over come math anxiety? The best way? Learn the language of algebra.

statistics
. A professor is interested in knowing the correlation, if any, of students’ scores on the first and second exams given in his class. Test 1 Test 2 92 86 90 87 89 85 82 90 88 79 92 90 100 92 91 84 Is there a significant correlation? Explain its

Grammar
I want to give my Algebra teacher a letter to show how much her effort on helping me learn made me appreciate her and I just want to know if this sounds okay. Dear (my teacher's name), I just wanted to take some time to express how much I enjoyed being in

math
Miss C gives a test to the 10 students in her firstperiod algebra class. The grades are 93,82,95,86,90,84,89,79,87,93 A. Find the mean and Standard Deviation of the 10 scores. B. List all the reasons for why the late class could have a different mean or

StatisticsConfidence Interval
Can someone please help me on how to work this out?? I'm so super confused. Thanks! A professor at Kaplan University claims that the average age of all Kaplan students is 36 years old. Use a 95% confidence interval to test the professor's claim. Is the

Mathemtics
In a school, 156 students passed geography or history. There were 75 students who passed in both subjects. If 9 more passed Geography than history, find how many were taking each subject?

statistics
A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the probability that: c) the student did

Maths
Suppose Professor Alpha and Professor Omega teach finance. Records obtained from past students indicate that students in Professor Alpha’s class have a mean score of 80% with a standard deviation of 5%, while past students in Professor Omega’s class

maths
In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects.i.how many students passed biology ii.how many students passed chemistry iii.how many

statistics
At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it

statistics
A professor is interested in determining whether assigning mandatory homework affects students’ grades. He is currently teaching two sections of the same class; in one class, he assigns mandatory homework problems, while in the second class, he just

math (algebra)
In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?

psychology
Dr. Doolittle was often late for his daily psychology class, and his eager students decided they'd had enough. One day, the students put their waiting time and their knowledge of psychology to use by coming up with a plan to encourage the good doctor to be

Math 231
In Mr. Everett's firstperiod class, 18 of 25 students passed the last test. In his second period, 17 of 23 passed. Use the percents to conclude which class did better. Show all work.

Algebra
The average mark on a test in an algebra class is 80. If the two lowest scores of 34 and 48 are not counted, the remaining scores would average 83. How many students are in the algebra class?

Mathematics
In a class of 60 students, the of students who passed maths is 6 more than the number of students who passed English every pupil passed at least one subject and 8 passed both subject How many pupil passed maths and how many pupil passed English

mathematics
in a class of 60 students, the number of students who passed biology is 6 more the number of student who passed chemistry. Every student passed at least 1 subject and 8 passed both subject. How many passed chemistry

stats
Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example as positive, negative, or zero (not correlated). Then give all possible causal interpretations for the results. Many students in

stats
Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example as positive, negative, or zero (not correlated). Then give all possible causal interpretations for the results. Many students in

math
100 student appeared in class test for a combined english and hindi examination. 70 students passed in both,8 failed in english and hindi and 5 failed in hindi only find how manystudents failed in english and how many students passed in hindi also find how

Language
in the excerpt from barrio boy, what makes Ernesto smilar to several of his classmates? A. Other students in the class also do not speak English.•• B. Other students in his class also live in his neighborhood. C. Other students in his class are also

math10
A class of 30 students took two quizzes. Sixteen passed the first quiz and 20 passed the second quiz. If four students failed both quizzes, how many pass both?

anonymous
In a class 80% students passed in sst ,85% in math ;75%in both subjects .if 40%students failed in both subjects .tell total number of students

English emailing response to professor
So I emailed a professor asking the professor about taking a test earlier than the scheduled day it is on next week and the professor responded and said they could arrange for me to take the test early if I want. And to let the professor know what I have

english
Two students their professor about the possibility of obtaining a different grade in class. has/had asked . asking . was asking which one is right to fill the blank??

algebra 1
Could someone check these? basic honors algebra 1 question of eight students in a class three will be chosen for student government positions. what is the number of permutations of those eight students to hold the three different positions? 24** 336 112 56

English
There are 7 classes for first year students. Each class is composed of about 30 students. Emily is a student of Class 12. One of his classmates who went to the same elementary school asks: Which class are you in? What is the answer to the question? 1. I'm

Logic Research
Mrs. Orlof teaches two history classes, one in th morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the

Algebra
At Central High School, the sophomore class has 60 more students than the freshman class. The junior class has 50 fewer than twice the number of students in the freshman class. The senior class is three times as large as the freshman class. If there are a

Math
There was 30 students in the class 24 of these studen pass the test what percentage of these students passed their test

math
In a school 156 students passed Geography or History. There were 75 students who passed in both subjects if more passed Geography than History find how many were taking each subject.