Express the confidence interval

Assignment Help Basic Statistics
Reference no: EM131972188

Express the confidence interval 31.8%±8.2% in interval form.

Express the answer in decimal format (do not enter as percents).

Reference no: EM131972188

Questions Cloud

Probability that the debt for a randomly selected : What is the probability that the debt for a randomly selected borrower with good credit is between $12,000 and $18,000
What percentage of people taking test score better : Suppose someone receives a score of 630. What percentage of the people taking the test score better?
Find the margin of error at a confidence level : If n=20, ¯x(x-bar)=32, and s=4, find the margin of error at a 99% confidence level
What is the equivalent uniform annual cost of continuting : Machine A was purchased three years ago for $15,000 and had an estimated market value of $1,000 at the end of its 10 years life.
Express the confidence interval : Express the confidence interval 31.8%±8.2% in interval form. Express the answer in decimal format (do not enter as percents).
Analyse whether macrosoft should carry out the acquisition : In view of this situation, Macrosoft is considering making an offer to purchase Oats Production, and upstart smartphone producer in China.
Find the margin of error of poll : In a recent poll, 480 people were asked if they liked dogs, and 60% said they did. Find the margin of error of this poll, at the 99% confidence level.
Null and alternative hypotheses for a test : A Seattle department store sampled 87 items sold in January and found that 5 of the items were returned.
What if you wait ten years before contributing : Assume you earn an annual return 10.75 percent and make no additional contributions.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Peter paul mary john and martha are members of the pastoral

question peter paul mary john and martha are members of the pastoral council at a localchurch. they are to be seated

  Probability that last passenger gets to sit in assigned seat

There are 100 passengers lined up to board an airplane with 100 seats (with each seat assigned to one of the passengers).

  Find an interval in which would expect return to fail

For each mutual fund, find an interval in which you would expect 95.44 percent of all yearly returns to fall. Assume returns are normally distributed.

  Probability that sample proportion is in plus-minus range

Assume the population proportion is p = .25. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 1,000 is selected (to 4 decimals)?

  Data on the average weekly profits

With reference to Exercise 78, use the result of part (b) of Exercise 40 to construct 98% limits of prediction for the average weekly net profit of a restaurant with a seating capacity of 210 at a location where the daily traffic count averages 1..

  What was the population growth rate that year

One year in this prairie dog town, 52 new pups were born and 14 prairie dogs died. What was the population growth rate that year?

  Factorial design on radar tracking

A 23 factorial design on radar tracking was replicated 20 times with these results:

  Variable resulting in frequencies

A variable contains seven categories. It is expected that data are uniformly distributed across these seven categories.

  What percent of the days will it take him 30 minutes

The driving times are normally distributed with a mean of 35 minutes and a standard deviation of 8 minutes.

  Which of the two points is the better location

A square grid is placed over a city map. There are residential areas at the coordinates (0,1), (2,3) and (5,6). The respective populations of the three areas are 2500, 2000, and 3000. A centralized facility is being considered for either the point..

  Explain statistics to expose misleading claim

An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained?

  Probability mass-distribution function

Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd