The relative frequency for a class is computed as: A. class width divided by class interval. B. class midpoint divided by the class frequency. C. class frequency divided by the interval. D. class frequency divided by the total frequency>
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statistics
Expected relative frequency probability represents a calculated probability based on large numbers of trials. In an example of a deck of 52 cards, where you randomly pull cards from the deck and record what they are, you find that over 1000 random draws, you pull an ACE 76 ... 
Statistics
Quick Normal/InvNormal Calculator In a study of human mortality rate, an Actuary estimated that in US and Canada, about 78% (fictional figures) of life insurance claims resulted from accidental deaths. Suppose a study is being planned to estimate the relative frequency of ... 
Physics Stuff
Ocean waves are traveling to the east at 4 m/s with a distance of 20m between crests. With what frequency do the waves hit the front of a boat (a) when the boat is at anchor and (b) when the boat is moving westward at 1 m/s? frequency= distance/velocity For the second, the ... 
Calculus
I need to take a college calculus class. Can someone direct me to a site which might help me get a good start? Thanks in advance. 
math
Dr. Mento has a class of 80 students. For a group project, he wants to divide the students into groups of 6,8 or 10. Is this possible? Explain your answer. 
MATH
I have 12 word problems to do for my class today. I am not very good at them. Any suggestions on how to set them up? they vary from question to question 
writing
What should I write my narrative poem about that will make my class laugh? There has to be 4 stanzas and each have to have 3 lines. 
English 10 Cp
Ok...so I need to write a persuassive essay for my class, but there is one problem... I don't know what to write about!!!!! Any good topics out there? thanks 
art history
can someone please help me I don't know how to make a thesis statement about a greek krater for my ancient art class 
algebra
write the inequality statement. The range of shoe sizes in geometry class is size 5 to size 14. really confused. 
algebra
2y^3 = 4e^(x/2)/(1+e(x/2)) my teacher gave this problem in my chem class and i don't know what he is really asking , does any one have an idea if i have to solve for y or what's going on.. 
earth
If the Earth has so much mass, then how does it "float"? (My 8th grade Astronomy class trying to figure this out. Lauren 
math
fifteen out of 25 students in Mrs. Smith's class are boys. what is the ratio of boys to girls? i put 1 to 6. is that right? 
Economics
can anyone tell me what are the current major economical topics. i have to a letter in economics class but i don't know what topic to write on thanks in advance 
math
In each of two different fourthgrade classes, 1/3 of the members are girls, Does each class have the same number of girls. 
math
in each of two different fourthgrade classes, 1/3 of the members are girls. does each class have the same numbers of girls. 
math
in each of two different fourthgrade classes, 1/3 of the members are girls. does each class have the same numbers of girls 
algebra
How many ways can the offices of president, vicepresident, treasurer, secretary, parliamentarian, and representative be filled from a class of 30 students? 
Physics
Please give me numerically answer of tata mcgrawhill book class 10 of physics electricity total unsolved 
statistics
25% of the students in an English class of 100 are international students. Find mean, and standard deviation of this binomial distribution 
math
a teacher would like to make a square seating chart. if there are 25 students in the class, how many students should be in each row 
health class
how do you convince someone to stop smoking. Also,how do you relieve stress without smoking or eating? Please help. 
Math
In archery class, Jocelyn missed the target 5 times in 40 shots. What is the probability that her next shot will miss the target? 
Statistics
Can you show me how to figure out a sample size of N=60? What would the equation look like and how would I explain it to a class? 
Chemistry Class
What is the molality of a solution made by adding 0.145 g of sodium acetate to 119 ml water? How do I find molality? 
English
Would rose be the correct choice because there is no object again, The curtain rose/raised on the last act of the class play. 
Estimation and Computation
The ratio of boys to girls in a class is 2:3. If a student is chosen at random to be on the student council, what is the probability it will be a girl? 
geometry
A board on the wall in Jeremy's class has 4 right angles, 4 equal sides, and 2 pairs of parallel sides. Which quadrilateral is it? 
English
I am extremely struggling in IB junior English. How can I survive that class. I put a lot effort too, but the teacher is grading on what we really know. 
logical
Imagine someone asks you what you have learned in your logic class and what you found to be the most useful information you learned there 
music
In class I have to write a report on a music star so I chose marylin manson can someone tell me about him? 
Algebra
your score in one class are 80 and 86. what possible scores can you earn on your next test to have a test average between 83 and 88 
Math
The students in a class of 24 share 48 apple slices and 36 orange slices equally among them. How many pieces of fruit did each student get? 
Algebra
There are 5 students in a small class. To make a team, the names of 3 of them will be drawn from a hat. How many different teams of 3 students are possible? 
Spanish
How do you say she is teaching in the class room in spanish? 
physics
IN PHYSICS TENTH CLASS ADDRESS OF AN ELECTRON 
health
what do you teach for 5th grade Health class? 
Class
Which steps address the "issue" and which address the "problem"? 
Art
what Manga should I draw for art class? 
CHEMISTRY
WHAT IS THE NAME AND CLASS OF BrCH2CH2CH3 
maths
in a class 2fifthy were girls, 27 were boys, how many girls were there 
maths
in a class 7, 2 fifthy were girls . boys were 27. how many boys were there 
Math
If there are 24 students in the classroom and 3/6 are boys. How many boys are in the class 
Maths
In a class of 24 boys and 26 girls. what is the fraction of boys? 
Math
PLEASE CHECK THESE 1. Write a ratio and a and a percent for the shaded area. (the area is 6x6 and the shaded area is 4x3) My answer is 1/3 and 33.33 2.Model 25% on a 4x3 grid My answer is the 3 shaded areas on the 4x3 grid. 3.Write the ratio as a percent. In the second grade ... 
College Algebra
Can we try this again? I already posted this question and thank you for responding but I just don't understand. I am posting it again because I need to clarify that I have formulas my professor has us use but since I've never come across a problem like this one before I am ... 
physics
An elastic cord vibrates with a frequency of 3.5Hz when a mass of 0.62kg is hung from it.What is its frequency if only 0.40kg hangs from it? 
Math
5. 1/3 divided by 2/5=5/6 6. 1/9 divided by 1/2=2/9 7. 2/3 divided by 1/4=2 2/3 8. 1/2 divided by 3/4=2/3 9. 4/5 divided by 2=2/5 10. 4/5 divided by 1/10=8 11. 5/12 divided by 5/6=1/2 12. 9/10 divided by 3= 3/10 
Physics
Suppose that a police car on the highway is moving to the right at 27 m/s, while a speeder is coming up from almost directly behind at a speed of 35 m/s, both speeds being with respect to the ground. The police officer aims a radar gun at the speeder. Assume that the ... 
Physics  Waves
A speaker which produces a frequency of 400 Hz is moving away from an observer and towards a wall at 5 m/s when it is 23 degrees Celsius. What is the frequency of the sound that travels back to the observer? What is the frequency of the sound that travels forward and bounces ... 
Physics
An organ pipe open at both ends has a harmonic with a frequency of 480 Hz. The next higher harmonic in the pipe has a frequency of 540 Hz. Calculate the frequency of the fundamental and the length of the pipe. I know 540/480 is 9/8. I have no idea where to go from here. 
Chemistry
Covalent bonds in a molecule absorb radiation in the IR region and vibrate at characteristic frequencies. a) The CO bond absorbs radiation of wavelength 9.6um. What frequency (in s1) corresponds to that wavelength? b) The HCl bond has a frequency of vibration of 8.... 
statistics
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis rackets of a certain type: (114.4, 115.6) (114.1, 115.9) A) What is the value of the sample mean resonance frequency? B) Both intervals were calculated ... 
statistics
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis rackets of a certain type: (114.4, 115.6) (114.1, 115.9) A) What is the value of the sample mean resonance frequency? B) Both intervals were calculated ... 
Business statistics
2. Each of the following is a largesample confidence interval for μ, the mean resonance frequency (HZ) for all tennis rackets of a certain type. (114.4, 115.6), (114.1, 115.9) a. What is the value of the sample mean resonance frequency? b. Both intervals were calculated ... 
Math
The question is: Kelly wants to center the rug in her living room. The rug is 8 3/4 feet wide. The total width of her Living room is 12 1/2 feet. How far from each Wall of her living room should she place her rug? I did 12 1/2 divided by 8 3/4 So 12 2/4 divided by 8 3/4 50/4 ... 
Social Studies: Native Americans
during this era ______ no humans lived in Washington. My class is talking about the Plateau and Coastal Indians if that helps a little. 
11th grade
im writing this essay for an european history class. i've already started it but i just need help adding in deatails on the caliphate. like, why did it decline? and what were the results of this? please help me!!!!!!!! 
11th grade
hi, i am haveing prob;ems with my math its called solving the quadratic equation but my teacher is not really giving me the attention i need to pass the class but will you help me please 
algebra
each week you gave a quiz in social studies and science class. find the probability both quizzes given on the same day tell if independent or dependent 
Math
As many as three instructors are hired for a martial arts class each week. 4:1 studenttoinstructor ratio is considered ideal. Find the maximum number of students at each of these classes. 
statistics
a teacher decides to fail 25% of the class.Examination marks are roughly normally distributed w/a mean of 72 & standard deviation of 6. what mark must a student make to pass? 
vocab
This summer, local children can sigh up for art class or music lessons for a confiscate fee of $3. It's impossible to take both, though, since the classes will be recession 
Java
Define method headers for computeAverageSales() and computeShipping Charges() according to the following requirements. Develop pseudocode for two new methods to be added to your product class: 
History
I am to write an historical investigation, and this is my first time writing something like that. Is an IB school. the question is "How did the factory system affect the life of the working class in Britain?" 
PHYSICS CLASS 9
A car moves at a speed of 40km/h, It is stopped by applying brakes which produces a uniformacceleration of 0.6m/s2. How much distance will the vehicle move before coming to stop? 
science
If you were making a tool used to handle live electrical wires, which class of materials would you most likely use? ASemimetals BMetalloids CNonmetals D Metals 
physics
A police car, whose siren has a natural frequency of 620Hz, moves away from a wall and towards a stationary observer at a speed of 30km/h. What is the beat frequency perceived by the observer? If the observer stands between the car and the wall, what beat frequency does he ... 
Basic Math
Can somebody see if I did these right? 16 divided by (2)(4) over 2 to the third power plus 4= 16 divied by 8 over 6 + 4= 2/ 10 = 1/5. and 4  (3) + 1 over 22 divided by (2) = 4+3+1 over 22 divided by (2)= 8/3 = 2 2/3. Is what I got ; does my answers look right? 
Basic Math
Can somebody see if I did these right? 16 divided by (2)(4) over 2 to the third power plus 4= 16 divied by 8 over 6 + 4= 2/ 10 = 1/5. and 4  (3) + 1 over 22 divided by (2) = 4+3+1 over 22 divided by (2)= 8/3 = 2 2/3. Is what I got ; does my answers look right? 
Science
Could someone please explain to me in a simple way how FM, AM, and XM radio signals work? No one I ask seems to know. Thanks for the help. Radio waves are part of a general class of waves known as electromagnetic waves. In essence, they are electrical and magnetic energy which... 
Frequency
Calculate the relative frequency P(E) using the given information. 400 adults are polled and 320 of them support universal health care coverage. E is the event that an adult does not support universal health coverage. P(E)=? 
3rd grade math
Benny is using base ten blocks to model 57 divided by 3. he divided the tens in to equal groups. he converted the remaining 10's in to 20 ones. then he divided 20 by 3, and put the ones into equal groups of 6, with 2 leftover. what did he forget to do? 
eth
Wow, im currently in an cultural diversity class and I have feeling the individual who originally posted this question is one of my class mates. I agree that this assingment regarding orientalism and prejudice is extremly fuzzy. I'm trying to figure out what my teacher means ... 
english
The similarities between both, Macbeth and Hitler are that they both desired power. Both of them were cruel in getting what they wanted. They were from a very low social class and rose to a very high social class. Both of them had a belief. For Macbeth it was the witches and ... 
English Essay
CAn someone please find an analytical essay on David Sedaris' "ME Talk Pretty One Day". I would greatly appreciate it. You should be able to find something useful in this collection of sites: http://www.google.com/search?hl=en&ie=ISO88591&q=%22ME+Talk+Pretty+One+Day%22.+&... 
Science
Which of the following correctly describes a radio wave? long wavelength and high frequency long wavelength and low frequency short wavelength and low frequency short wavelength and high frequency 3. When the energy of a light wave is transferred to a particle and causes it to... 
english
what is the complete subject and simple subject of this sentence. Mrs. Marcus told our class about Valentine's Day. 
college class
When it comes to miscommunication, misinterpreted messages are often a culprit. Can you identify some business scenarios that are commonly misinterpreted? 
math
if a class collects $155.00 toward a fundraiser goal of $775.00 what fraction reprisents towards it goal? plz help me with my homework!!! 
Math
If weight is recorded in pounds for students in a class & the range of data was ten what statement would be true about the data? 
sociology
any get an idea or web site pls! discussion between social class and health inequalities. the relationship between the two of them. 
Liberalism in the 19th Century
Why has liberalism been considered the "ideology of the bourgeoisie" or middle class? I am really struggling with this question... can you please help? 
laungage art or english
Pronoun referrents. "would you trade a million nickles for a million pennies?' I asked my class. They weren't sure. you= They= 
Ethics
How sound are Pojman's responses to the objections to capital punishment? (pp.144149) This is a discussion for my Life and Death Ethics class 
hardware
In design and modeling class we need to build a model couch but we can't find a website to help us on how to build one with a heater. plz help us, thanks. 
chem class
A 25.00mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after the addition of 10.0 mL of KOH is ???? M. 
Human service
What does the term Feminist mean, and what do you think it has come to mean to others, and what about from the same class or ethnic background? 
PENNFOSTER
HI I AM NOW DOING FACILITIES AND STAFF BUT I AM HAVING SOME STRUGGLES WITH NUMBERS 8,9,10, 11,12 I AM ASKING SOME ONE WHO TOOK THIS CLASS TO PLEASE HELP ME 
statistics
If there are 24 students in a class, how many differentsized groups can be formed, and how many students will be in each group? Make a list of all possible groupings. 
English
ms. sue i wrote out this story i read in class in word document u please read it and help with questions? if only you not mind. 
statistics
. A random sample of 30 students obtained the following marks in a class test : (20) Test the hypothesis that their median score is more than 50. 58 55 25 32 26 85 44 80 33 72 10 42 15 46 64 39 38 30 36 65 72 46 54 36 89 94 25 74 66 29 
math
State which of the following are logical statements and then classify the statements as true or false. a) 1 + 4 = 6 b) She is in our class c) Butte is the capital of Montana d) 3 + x = x + 3 
math
a box holds a maximum of 16 #3 cans. If a class of 30 children are each asked to bring a half dozen #3 cans, how many boxes are needed? 
PLEASE HELP 5th grade math
There are 28 students in zacks class.one forth are absent how many students are present? Answer choises a.16 b.7 c.9 d.21 
language arts
Identify the following sentence as either a fragment, runon sentence, or as correct: I like this class and it is very interesting. 
History8
The __________________led to the rise of a middle class in America. a.Immigration to America b.Industrial Revolution c.The shipping industry d.All of the above D? 
Java
What would happen if I did not give a access specifier. Would the class method or attribute be accessible to all other classes? 
Math
I'm an ongoing 8th grader, and I'm taking a class for Algebra 2. What should I expect that is different from Algebra 1? P.S. I've taken Geometry online. 
statistics
Suppose that young adults own an average of 3 pairs of jeans. Survey 8 people from your class to determine if the average is higher than 3.