Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

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

Let represent the proportion of...

Let represent the proportion of newlyweds in Ethnicity A who have a spouse of a different race or ethnicity from their own. Let represent the proportion of newlyweds in Ethnicity B that have a spouse of a different race or ethnicity from their own. State the null and alternative hypotheses.

Kofi

Kofi

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

1. What are the null and alternative hypotheses for this

1. What are the null and alternative hypotheses for this analysis? 2. In a few sentences, describe the descriptive data for each ethnicity/race group (include N, mean, standard deviation, minimum, & m… read more

53% of students entering four-year colleges receive a degree

53% of students entering four-year colleges receive a degree within six years. Is this percent different from for students who play intramural sports? 138 of the 294 students who played intramural spo… read more

You are conducting a study to see if the proportion of

You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly different from 52% at a significance level of α= 0.01. According to your sample, 32 out of 66 pote… read more

For the statement below, write the claim as a mathematical

For the statement below, write the claim as a mathematical statement. Use proportions to state the null and alternative hypotheses, and identify which represents the claim. According to a recent su… read more

For the statement below, write the claim as a mathematical

For the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim. A laptop manufacturer claims that the mean lif… read more

Statistics: A security expert claims that % of all

Statistics: A security expert claims that % of all homeowners have a home security alarm. State and in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed,… read more

A security expert claims that % of all homeowners have a

A security expert claims that % of all homeowners have a home security alarm. State and in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-taile… read more

It is claimed that 65% of college students own an iPad. You

It is claimed that 65% of college students own an iPad. You believe a different proportion of college students own an iPad. Your null and alternative hypotheses are below. What is wrong with these hyp… read more

Several years ago, 3535% of parents who had children in

Several years ago, 3535% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked 1 comma 1451,145 parents who have children… read more

For students who first enrolled in two year public

For students who first enrolled in two year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.3850.385. The president of a certain colleg… read more

For students who first enrolled in two year public

For students who first enrolled in two year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.3950.395. The president of a certain colleg… read more

Cody is an environmental scientist inquiring about the

Cody is an environmental scientist inquiring about the percentage of deer ticks in a certain national park that are infected with Lyme disease. He suggests that more than 28% of the deer ticks in the … read more

A decade-old study found that the proportion of high school

A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal was 69%. Suppose that we have reason to believe that this proportion has… read more

ARE THERE CHARGES IN VOLVED, According to a research,

According to a research, 52.052.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 2 comma 3002,300 randomly selected households showed that 53.053.0% used natural gas. Use a 0.05 significance level to test the claim that the 52.052.0% national rate has changed. Formulate the null and alternative hypotheses. Choose the correct answer below. A. Upper H 0H0: pnot equals≠0.520.52, Upper H Subscript aHa: pequals=0.520.52 B. Upper H 0H0: pgreater than>0.520.52, Upper H Subscript aHa: pless than<0.520.52 C. Upper H 0H0: pequals=0.520.52, Upper H Subscript aHa: pgreater than>0.520.52 D. Upper H 0H0: pequals=0.520.52, Upper H Subscript aHa: pnot equals≠0.520.52 Find the test statistic. zequals= nothing (Round to one decimal place as needed.) Find the P-value for the found test statistic. P-valueequals= nothing (Round to four decimal places as needed.) Now make a conclusion. Choose the correct answer below. A. There is not enough information to make a conclusion. B. There is not sufficient evidence to support the claim that the percentage of households using natural gas has changed. C. There is sufficient evidence to support the claim that the percentage of households using natural gas has changed … read more

1. Suppose 63 of 110 randomly selected shoppers believe that

1. Suppose 63 of 110 randomly selected shoppers believe that “Made in USA” means that 100% of labor and materials are from the United States. Let p represent the true proportion of consumers who belie… read more

A sample of 25 different payroll departments found that the

A sample of 25 different payroll departments found that the employees worked an average of 310.3 days a year with a standard deviation of 23.8 days. What is the 95% confidence interval for the average… read more

how do I write a null and 1/2 tail hypotheses for this statement: "Fish

how do I write a null and 1/2 tail hypotheses for this statement: "Fish will die without water"… read more

a bank conducts a survey in which it randomly samples 400 of

a bank conducts a survey in which it randomly samples 400 of its customers. The survey asks the customers which way they use the bank the most: (1) interacting with a teller at the bank, 2) using ATM'… 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

17,380 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.