Question

How do I solve a question saying, if the the ten worst students with an average...

How do I solve a question saying, if the the ten worst students with an average mark of 38% withdrew from a class of 80 students with a mean of 65% what would be the class average of the remaining 70 students?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Answer:

Explanation:

Let the average marks of the remaining 70 students is x%.

Now,

equating total marks of all students,

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Hi, I would like to know how to solve this stats question using only Excel. The...
Hi, I would like to know how to solve this stats question using only Excel. The mean work week for engineers in a start-up company is believed to be about 60 hours. A newly hired engineer hopes that it’s shorter. She asks ten engineering friends in start-ups for the lengths of their mean work weeks. Based on the results that follow, should she count on the mean work week to be shorter than 60 hours? Data (length of mean work...
Suppose there was a class of 200 students with a mean class average of 63%. I...
Suppose there was a class of 200 students with a mean class average of 63%. I then select from this class all students on the honour roll, which amounts to 53 students. Would you expect their average to be the same? Why or why not?
How do I solve this? Need to show work. Question: A stock analyst is trying to...
How do I solve this? Need to show work. Question: A stock analyst is trying to calculate a fair value of XYZ company’s common stock by using the following information. What would be the fair value of this company’s common stock? Industry average P/E ratio = 3.45 times and Earnings per share of XYZ company is $5.0. Answer: $17.25 per share
1a.) The following grades were obtained on the Research Methods course of students of the Urban...
1a.) The following grades were obtained on the Research Methods course of students of the Urban Studies Department at Stanford University (70, 90, 85, 70, 85, 60, 95, 50, 65, 70). There were 95 students in the class. Variance of the data set is: a.144 b.214 c.184 d.None of the above 1b.) The following grades were obtained on the Research Methods course of students of the Urban Studies Department at Stanford University (70, 90, 85, 70, 85, 60, 95, 50,...
How do i calculate/solve this question 1. The price of a dozen eggs in 1975 was...
How do i calculate/solve this question 1. The price of a dozen eggs in 1975 was $0.77. The price of a dozen eggs today is $3.05. GDP Deflator in 1975 was 34.46. GDP Deflator today is 116.44. If you use GDP deflator to bring the price of eggs from 1975 into 2013 dollars, you find that the $0.77 from 1975 is worth... ANSWER: 2.60 today, which means that the real cost of buying eggs has increased 2. The price of...
Question 4: I was 0 when I was born. How old were you, Mom? Students in...
Question 4: I was 0 when I was born. How old were you, Mom? Students in a different statistics class were asked to report the age of their mothers when they were born. Here are the summary statistics: Sample size: 28 sample mean: 29.643 years sample stDev: 4.564 years a. Calculate the standard error of this sample mean. b. Determine and interpret a 90% confidence interval for the mother’s mean age (at student’s birth) in the population of all students...
In dimensional analysis, if i only have on pi group how would i solve the question?...
In dimensional analysis, if i only have on pi group how would i solve the question? Or rather how would i achieve the dimensionless form if i only have one pi group
How do I answer and solve this question? Does the problem specify a function with independent...
How do I answer and solve this question? Does the problem specify a function with independent variable x? If so, find the domain of the function. If not, find a value of x to which there corresponds more than one value of y. x2 + y2 = 9
Data was collected for 364 randomly selected 10 minute intervals. For each ten-minute interval, the number...
Data was collected for 364 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number   of Guests      Frequency    220 – 239 83 240 – 259 95 260 – 279 47 280 – 299 43 300 – 319 96 What is the class width for this GFDT? Class width = The number of students in the tutoring center was recorded...
A professor has decided that students should be allowed to do only the work they wish...
A professor has decided that students should be allowed to do only the work they wish to do in undergraduate statistics. So she uploaded 15 weekly assignments. Students see their scores when they complete the assignments. But the homework assignments are not required – they are discretionary. Students take the final exam and the exam grade is the final grade. The results for this class of 80 students gave an average exam score of 72. These sample results of 80...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT