According to a recent poll 16.2 of credit cardholders in, Ask an Expert

Statistics

1. The Bide-a-While efficiency hotel, which caters to business workers who stay for extended periods of time (weeks or months), offers room service. The marketing director is interested in trying to find out whether or not she can advertise "room service in under thirty minutes, or order is free". You will be asked to determine how many delivery times she should sample to estimate the true mean delivery time to within 5 minutes at the 90% reliability level? Suppose that the standard deviation for delivery times is 18.2 minutes.

2. According to a recent poll, 16.2% of credit cardholders in United States shave employed their credit card to make a purchase on internet. You will be asked to recognize how large a sample must be taken if the true proportion is to be estimated to in 1.5% at the 95% reliability level? You might use the sample proportion in calculation of sample size.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M917109

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

According to the deloitte ev survey 5 of respondents

According to the Deloitte EV Survey, 5% of respondents indicated that they would be willing to pay an extra $500 or more for an electric vehicle versus one with a gasoline engine. A random sample of 25 adults has been se ...

A recent survey of college seniors evaluated how the

A recent survey of college seniors evaluated how the students view the "real world" that they are about to enter. One question asked the seniors to evaluate the future job market on a 10-point scale from 1 (dismal) to 10 ...

In february 2017 the risk-free rate was 431 percent the

In February 2017 the risk-free rate was 4.31 percent, the market risk premium was 6 percent, and the beta for Twitter stock was 1.58. What is the expected return that was consistent with the systematic risk associated wi ...

Tossing a fair coin three times whats the probability that

Tossing a fair coin three times, what's the probability that at least one head will occur?

A business analyst in the washington dc area looked at the

A business analyst in the Washington, D.C. area looked at the following Christmas 2016 and 2017 toy sales in Metro D.C. Six toy stores were were contacted and shared the following information where x is 2016 sales and y ...

In a certain city a school administrator hypothesized that

In a certain city, a school administrator hypothesized that students enroll in school within 5 km from their homes. To check this claim you asked 30 student from the said city and you found that the mean distance between ...

On the ballot illinois voters had the option to select yes

On the ballot, Illinois voters had the option to select "yes" or "No" when asked if the state's minimum wage should be increased from $8.25 to $10 an hour by January 1, 2015. Before the actual voting date, a survey with ...

Since this in an empirical question that means that 68 is

Since this in an empirical question that means that 68% is in the middle and on the outer sides are the difference? The median life span of a mouse is 118 weeks Would you expect the life-span to be normally distributed? ...

A puck company wants to sponsor the players with the 20

A puck company wants to sponsor the players with the 20% quickest goals in hockey games. The times of first goals are normally distributed with a mean of 8.54 minutes and a standard deviation of 4.91 minutes. How fast wo ...

Strip mining inc can develop a new mine at an initial cost

Strip Mining Inc. can develop a new mine at an initial cost of $11 million. The mine will provide a cash flow of $39 million in 1 year. The land then must be reclaimed at a cost of $32 million in the second year. a. Wha ...

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