The average time it takes a person in a one-person canoe to, Ask an Expert

Statistics

The average time it takes a person in a one-person canoe to complete a certain river course is 47 minutes. Because of rapid currents in the spring, a group of 10 people traverse the course in 42 minutes. The standard deviation, known from previous trips, is 7 minutes. Assume that the variable is normally distributed.

a. Test the claim that this group's time was different because of the strong currents. Use

b. Find the 90% confidence interval of the true mean.

c. Does the confidence interval interpretation agree with the results of the hypothesis test? describe.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9105824

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Many raleigh north carolinians owns one or more tvs below

Many Raleigh, north Carolinian's owns one or more TVs. Below is a distribution of the number of TVs per house hold in Raleigh. Fill in the missing probability to make a valid discrete probability distribution or explain ...

The rate of inflation in year 1 is expected to be 14 year

The rate of inflation in year 1 is expected to be 1.4%, year two is 1.8%, and years three through five is expected to be 2%. Assume the real risk-free rate, r*, is 3% for all maturities. What should the yield to maturity ...

New york graduates tend to leave the state after graduating

New York graduates tend to leave the state after graduating. A study asked the students of NYU "Are you planning to stay in NY after graduation?" In the sample, only 37% answered yes. The study explained that with a 95% ...

An important part of the customer service responsibilities

An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.75 that troubles in a ...

1 investment a will return to you 2011 in one year if you

1) Investment A will return to you $2011 in one year if you invest $1750 today. Investment B will return to you $3146 in one year. What is the most you will pay for Investment B? Round to the dollar.

Jane and john doe are twins jane saves 10000 per year from

Jane and John Doe are twins. Jane saves $10,000 per year from age 25 to 34 and nothing from age 35 onward (10 years of saving in total). John saves nothing from age 25 to 34 and $10,000 from age 35 to 64 (30 years of sav ...

Five houses in a row are each to be painted with one of the

Five houses in a row are each to be painted with one of the colors? red, blue,? green, and yellow. In how many different ways can the houses be painted so that no two adjacent houses are of the same? color? Answer is 324 ...

1 this table summarizes the results from

1) This table summarizes the results from along+termrandomized clinicaltrial to determine whether aspirin reduces the risk of heart attack. Researchers randomly assigned a large sample of healthy male physicians (22,07 ...

The table shows the results of a survey in which 400 adults

The table shows the results of a survey in which 400 adults from the? East, 400 adults from the? South, 400 adults from the? Midwest, and 400 adults from the West were asked if traffic congestion is a serious problem. Co ...

You are leasing a car for 48 months you put down 2000 now

You are leasing a car for 48 months. You put down $2000 now and agree to $500 monthly payments. The residual value is $15,000. The financing rate is 8% (monthly compounded). How much is the car worth?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert