(Answered) Question when do americans decide what to make for dinner

Statistics

Question: When do Americans decide what to make for dinner? An online survey (N. Hellmich, Americans Go for the Quick Fix for Dinner, USA Today, February 14, 2005, p. 1B) indicated that 74% of Americans decided either at the last minute or that day. Suppose that the survey was based on 500 respondents.

a. Construct a 95% confidence interval for the proportion of Americans who decided what to make for dinner either at the last minute or that day.

b. Construct a 99% confidence interval for the proportion of Americans who decided what to make for dinner either at the last minute or that day.

c. Which interval is wider? Explain why this is true.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92498162
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose a firm uses sales teams to market their products

Suppose a firm uses sales teams to market their products. For example, a construction equipment manufacturer may assign three sales agents to a team so each team member can specialize in particular product functions (e.g ...

You hold a stock with price 100 that can increase by 10 or

You hold a stock with price $100 that can increase by 10% or decrease by 10% m a year. The interest rate is 5% a) Suppose that you want to ensure that you'll get a minimum of $I00 in a year regardless of the evolution of ...

The weights of ice cream cartons are normally distributed

The weights of ice cream cartons are normally distributed with a mean weight of 20 ounces and a standard deviation of 0.5 ounces. You randomly select 25 cartons. What is the probability that their mean weight is greater ...

Consider the following data regarding students college gpas

Consider the following data regarding students' college GPAs and high school GPAs. The estimated regression equation is Estimated College GPA=3.08+(-0.0024)(High School GPA). College GPA High School GPA 2.70 3.46 3.92 2. ...

A national air traffic control system handled an average of

A national air traffic control system handled an average of 47,556 flights during 28 randomly selected days in a recent year. The standard deviation for this sample is 6,251 flights per day. Complete parts a through c be ...

Table 1 fasting bloodfbs of group afbs of group

Table 1. Fasting Blood FBS of Group A FBS of Group B 95 90 100 100 125 125 175 200 250 550 1. What is the mean fasting blood sugar value for each group? What is the median? Mode? Group A: mean:145, median: 125, mode: n ...

The time required by students to complete an organic

The time required by students to complete an organic chemistry examination is normally-distributed with a mean of µ = 200 minutes and a standard deviation of σ = 20 minutes. Since this particular class is a large lecture ...

On the production line the company finds that 956 of

On the production line the company finds that 95.6% of products are made correctly. You are responsible for quality control and take batches of 30 products from the line and test them. What number of the 30 being incorre ...

Two candidates face each other in an election the

Two candidates face each other in an election. The Democratic candidate is supported by 58% of the population, and the Republican candidate is supported by 42%. In other words, if you randomly chose a voter and asked the ...

In a study of helicopter usage and patient survival among

In a study of helicopter usage and patient? survival, among the 55,032 patients transported by? helicopter, 227 of them left the treatment center against medical? advice, and the other 54,805 did not leave against medica ...

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