Math Homework

Related Math Homework Questions
The distribution of Math scores oops. The distribution of
The distribution of SAT math scores is normal withmean 500 and standard deviation 115. ACT math scores are normall y with mean 20 standard deviation 5. … read more
Aleksander Zujev
PhD
62 satisfied customers
4) 15 pts The credit score of a 28 year old applying for
4) 15 pts The credit score of a 28 year old applying for a mortgage at PNC Bank is normally distributed with a mean of 500 and a standard deviation of 100. (a) Find the credit score that defines the u… read more
Sandhya_sharma
Master's Degree
4,078 satisfied customers
A) Where Z represents the location of a random variable in
A) Where Z represents the location of a random variable in a normal distribution, find the area between Z=-1.3 and z=-1.5 B)Due an ANOVA test to see if there is a real difference between the variances… read more
dhouse1940
Retired
Master's Degree
625 satisfied customers
2.A study of a companys practice regarding the payment of
2.A study of a company's practice regarding the payment of invoices revealed that an invoice was paid an average of 20 days after it was received. The standard deviation equaled five days. Assuming th… read more
Scott
Master's Degree
16,043 satisfied customers
i have three statistics questions i need 1.)help with one
i have three statistics questions i need 1.)help with one in regards XXXXX XXXXX t values with a sample of 20 2.)another test scores distributed with a mean of 500 and standard deviation of 50 what is… read more
Scott
Master's Degree
16,043 satisfied customers
46. The annual commissions earned by sales representatives
46. The annual commissions earned by sales representatives of Machine Products, Inc., a manufacturer of light machinery, follow the normal probability distribution. The mean yearly amount earned is \$4… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
The mean of a normal probability distribution is 500 and the
The mean of a normal probability distribution is 500 and the standard deviation is 50.About 99.7 percent of the observations lie between two values? Suppose a tire manufacturer wants to get a mileage … read more
SusanAthena
Master's Degree
Master's Degree
41 satisfied customers
1.Assume that the population of heights of male college students
1.Assume that the population of heights of male college students is approximately normally distributed with mean of 70 inches and standard deviation of 4.15 inches. show all work. a. find the proporti… read more
Chirag
Master's Degree
10,329 satisfied customers
The length of time patients must wait to see a doctor in a
The length of time patients must wait to see a doctor in a local clinic is uniformly distributed between 15 minutes and 2 1/2 hours. a. What is the probability of a patient waiting exactly 50 minutes?… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
(TCO 8) The mean age of school bus drivers in Denver is claimed
(TCO 8) The mean age of school bus drivers in Denver is claimed to be less than 56.9 years. A hypothesis test is performed at a level of significance of 0.05 with a P-value of 0.12. Choose the best in… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
7-1 C1 For the normal distribution, the mean plus and minus
7-1 C1 For the normal distribution, the mean plus and minus 1.96 standard deviations will include about what percent of the observations? A. 50% B. 99.7% C. 95% D. 68% 7-2 C2 What is the area under th… read more
Osbert12
Master's Degree
2,468 satisfied customers
1. The average starting salary for the population of male
1. The average starting salary for the population of male college graduates last year was \$30,000 with a population standard deviation of \$1,200. The average starting salary for the population of fema… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
Suppose you have a group of tests scores( scores themselves
Suppose you have a group of tests scores( scores themselves not given) with a mean of 69.9, a meadian of 76, a mode of 76, a range of 70 and a standard diviation of 19. Overall what can you tell about… read more
dhouse1940
Retired
Master's Degree
625 satisfied customers
Statistics - Various problems (mostly probability)
1. Briefly, what is probability (include in this the 3 "approaches" to probability discussed in the early part of chapter 5). 2. Please (1) work the following problems, (2) tell me what rule or princi… read more
rajeevanpillai
Master's Degree
687 satisfied customers
1.) An office uses two brands of fluorescent light bulbs in
1.) An office uses two brands of fluorescent light bulbs in its overhead light fixtures. From past experience, it is known that Brand A bulbs have a mean life length of 3000 hours and a standard devia… read more
muvee
Master's Degree
1,030 satisfied customers
~URGENT! 20 Simple Multiple-Choise Statistics URGENT!~
Question 1 1 points Save The normal distribution A. Is a family of continuous probability distributions. B. Is often called the Gaussian distribution because of Carl Friedrich Gauss. C. It is importan… read more
Master's Degree
2 satisfied customers
1. Determine the are under the curve...a.between z 0 and z 1.7..b.
1. Determine the are under the curve...a.between z=0 and z=1.7..b. between z=-0.5 and z=1.5..c.to the left of z=2.1..dto the right of z=1.5.......2.The test scores given to a class of 100 math student… read more
Mr. Williams
Master's Degree
72 satisfied customers
SHOW YOUR WORK (INCLUDING FORMULAS) The mean score of
SHOW YOUR WORK (INCLUDING FORMULAS) The mean score of a college entrance test is 500, the standard deviation is 75 and the scores are normally distributed. (a)What percent of the students scored below… read more
abozer
Bachelor's Degree
6,158 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

## What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

## Meet the Experts:

Mr. Gregory White

Master's Degree

112 satisfied customers

M.A., M.S. Education / Educational Administration

Dr Arthur Rubin

Doctoral Degree

52 satisfied customers

Ph.D. in Mathematics, California Institute of Technology

JACUSTOMER-yrynbdjl-

Master's Degree

49 satisfied customers

I have taught college Mathematics for the past 10 years.

SusanAthena

Master's Degree

41 satisfied customers

Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

mhasan420

Master's Degree

29 satisfied customers

BA Maths, Oxford

Manal Elkhoshkhany

Bachelor's Degree

20 satisfied customers

I have completed my BA degree in 1988, and graduated with a GPA of 4.0.

Don

Master's Degree

17 satisfied customers

M.S. Astronautical Engineering. Math/Science/Comp Tutor

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less