Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

Connect one-on-one with {0} who will answer your question

Probability and Statistic question.1). On...

Probability and Statistic question.1). On a standardized test, Phyllis scored 84, exactly one standard deviation above the mean. If the standard deviation for the test is 6, What is the mean score for the test?2). The heights of a group of girls are normally distributed with a mean of 66 inches. If 95% of the heights of these girls are between 63 and 69 inches, what is the standard deviation for this group?3). A set of scores with a normal distribution has a mean of 50 and a standard deviation of 7. Approximately what percent of the scores fall in the range 36-64?Hello again and thank you. Can you help me with these questions and show/illustrate your answer please?

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Calculus and Above Questions

81 84 83 63 92 80 73 77 51 84 62 71 53 86 58 43 65 65 60 79

81 84 83 63 92 80 73 77 51 84 62 71 53 86 58 43 65 65 60 79 51 60 57 69 76 84 53 78 82 74 76 58 62 64 85 66 90 72 74 62 60 58 66 53 55 62 79 72 37 82 81 69 66 76 64 72 85 68 68 67 74 59 79 73 65 71 65… read more

Scores on the Medical College Admissions Test (MCAT) are

Scores on the Medical College Admissions Test (MCAT) are Normally distributed, with a mean of 501.8 points and a standard deviation of 9.5 points. If Alex scores 492.3 on this test, what does this mea… read more

Probability and Statistic math question The heights of the

Probability and Statistic math question The heights of the aliens if the planet Mars are normally distributed with a mean of 40 inches and a standard deviation of 5 inches. They are vertically diverse… read more

1. What is the appropriate critical value of the following

1. What is the appropriate critical value for each of the following confidence levels and sample sizes? (Remember that in regard to confidence level this implies two-tails) (a) Critical z-value for an… read more

Assume that women's heights are normally distributed with a

Assume that women's heights are normally distributed with a mean given by 62.7 in. And a standard deviation given by 1.9 in.… read more

ATTENTION RYAN:STASTIC HOMEWORK1. The amount of Jen's

Attachment: 2015-05-12_195353_exam_4_stastic.docx ATTENTION RYAN: STASTIC HOMEWORK 1. The amount of Jen's monthly electric bill is normally distributed with a mean of $160 and a standard deviation of … read more

Introduction to Managerial StatisticsThis assignment consists

Introduction to Managerial Statistics This assignment consists of four datasets 1. Clouds were randomly seeded or not with silver nitrate. Rainfall amounts were recorded from the clouds. The purpose o… read more

Question 1 of 20 5.0 Points The lifetimes of light bulbs of

Question 1 of 20 5.0 Points The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has l… read more

Question 1 Given the following 2 sets of data, ten values

Question 1 Given the following 2 sets of data, ten values each) (you may want to write this down and/or type into your SPSS data window for use in the next few questions too): Group 1: (23, 41, 16, 75… read more

1) Given a level of confidence of 95% and a population standard

1) Given a level of confidence of 95% and a population standard deviation of 7, answer the following: (A) What other information is necessary to find the sample size (n)? (B) Find the Maximum Error of… read more

1) Find the area under the standard normal curve: I. to

1) Find the area under the standard normal curve: I. to the right of z = -2.11 II. to the left of z = -2.11 2) Assume that the population of heights of female college students is approximately normall… read more

1. Determine whether each of the distributions given below

1. Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x 1 2 3 4 P(x) 3/10 1/5 1/5 3/10 (B) x 3 6 8 P(x) 0.2 3/5 3/10 (C) x 20 30 40… read more

1) A set of 50 data values has a mean of 27 and a variance

1) A set of 50 data values has a mean of 27 and a variance of 16. I. Find the standard score (z) for a data value = 19. II. Find the probability of a data value < 19. 2) Find the area under the sta… read more

I. a. What percentage of the area of the standard normal distribution

I. a. What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this? b. Find the following: P(z > 2.43) II. 1. A set of 50 data values has… read more

1. A set of 50 data values has a mean of 44 and a variance

1. A set of 50 data values has a mean of 44 and a variance of 16. I. Find the standard score (z) for a data value = 51. II. Find the probability of a data value < 51. 2. Find the area under the sta… read more

The distribution of heights of young men is approximately Normal

The distribution of heights of young men is approximately Normal with mean 70 inches and standard deviation 2.5 inches. Use 68-95-99.7 rule to answer the following questions. a. what % of men are tall… read more

Hi Greg, I have another assignment if you want it. Please

Hi Greg, I have another assignment if you want it. Please show the work. It's more intro statistics stuff. 1. A set of 50 data values has a mean of 30 and a variance of 4. I. Find the standard score (… read more

1. For a particular sample of 63 scores on a psychology exam,

1. For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode … read more

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.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...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.

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

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!!!!

Los 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.

Hesperia, CA

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

Kernersville, 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.

Woodstock, 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.

Elkton, 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.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

114 satisfied customers

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

SusanAthena

Master's Degree

102 satisfied customers

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

Dr Arthur Rubin

Doctoral Degree

97 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

JACUSTOMER-yrynbdjl-

Master's Degree

42 satisfied customers

I have a MS in Mathematics and I have taught Mathematics for 10 years at the college level.

Don

Master's Degree

29 satisfied customers

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

Kofi

PhD in Statistics

17,840 satisfied customers

Masters in Mathematics and Statistics

Sandhya_sharma

Master's Degree

5,309 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

< 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.