Changes in confidenceinterval state whether each of the, Ask an Expert

Statistics

Changes in Confidence

Interval State whether each of the following changes would make a confidence interval wider or narrower. (Assume that nothing else changes.)

a. Changing from an 80% level of confidence to an 85% level of confidence.

b. Changing from a sample size of 25 to a sample size of 40.

c. Changing from a standard deviation of 500 grams to a standard deviation of 750 grams.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92605341

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In a club with 9 male and 10 female members a 4-member

In a club with 9 male and 10 female? members, a 4?-member committee will be randomly chosen. Find the probability that the committee contains at least 3 women.

A bottle of water is supposed to have 20 ounces the

A bottle of water is supposed to have 20 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...

A doctor wants to predict the birth weight of a newborn

A doctor wants to predict the birth weight of a newborn baby (measured in grams) based on the gestational age (measured in weeks) at the time of birth. The doctor uses 11 data points, with births ranging from 29 weeks to ...

One hundred twenty-five marine recruits participated in a

One hundred twenty-five marine recruits participated in a study to assess the benefits of a strength training program. Each recruit was given a push-up test at the beginning and end of the program. The change in number o ...

According to the polk company a survey of households using

According to the Polk Company, a survey of households using the Internet in buying or leasing cars reported that 81% were seeking information about prices. In addition, 44% were seeking information about products offered ...

Two payments of 9000 and 2600 are due in 1 year and 2 years

Two payments of $9,000 and $2,600 are due in 1 year and 2 years, respectively. Calculate the two equal payments that would replace these payments, made in 6 months and in 5 years if money is worth 10.00% compounded quart ...

1 coal is carried from a mine in west virginia to a power

1. Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 89 tons of coal into each car. The actual weights of coal loaded ...

The december cbot treasury bond futures contract is quoted

The December CBOT Treasury bond futures contract is quoted at 92-19. If annual interest rates go up by 1.50 percentage points, what is the gain or loss on the futures contract? (Assume a $1,000 par value, and round to th ...

A fair coin is flipped 100 times your friend proposes a bet

A fair coin is flipped 100 times. Your friend proposes a bet where if it lands on heads 49, 50, or 51 times, you win $4, but if it lands on heads more than 51 times or less than 49 times, you lose $1. Should you take the ...

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

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