Find the population proportion

Assignment Help Basic Statistics
Reference no: EM132851741

A credit card company surveys its customers to determine the number of times they use the card each month. There are 5,500 customers and 2,756 indicate that they use the card at least twice each month. Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n=70 customers. Round all answers to 3 decimal places.

Reference no: EM132851741

Questions Cloud

Probability sample or a nonprobability sample : Is this a probability sample or a nonprobability sample? What specific type of probability or nonprobability sample does this procedure represent?
Develop a scenario to attack on aviation : Develop a scenario to attack on aviation. Include the logistics required to carry out the attack. Your option can include either an airport assault
What is the probability that an outcome : Consider the standard normal distribution with mean = 0, and standard deviation = 1
Discuss the difficulties in achieving organizational culture : Discuss the difficulties in achieving an organizational culture change, such as one that is required to implement an SMS program.
Find the population proportion : Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n=70 customers.
Analyze the subjective portion of the note : Is the assessment supported by the subjective and objective information? List additional information that should be included in the documentation.
What mileage would correspond to the the highest : A tire company finds the lifespan for one brand of its tires is normally distributed with a mean of 47,500 miles and a standard deviation of 3,000 miles.
How diversity has impact australia ever changing landscape : Complete the table below to explain how diversity has impact Australia's ever changing landscape in each of the each of area listed
How decision when conflict with personal ethics and instinct : How decisions when conflict with personal ethics and instincts? What personal values and ethical standards do you consider most important

Reviews

Write a Review

Basic Statistics Questions & Answers

  Construct a 95 percent confidence interval

Of a random sample of 600 trucks at a bridge, 114 had bad signal lights. Construct a 95 percent confidence interval for the percentage of trucks that had bad signal lights.

  In a certain town 70 people support the construction of a

in a certain town 70 people support the construction of a new ballpark. if 5 people are randomly selected what is the

  Assumptions of your statistic

What kinds of plots are useful in data screening? What can you do if your data do not meet the assumptions of your statistic?

  Write a memo discussing the results

The William G. Harding School of Public Affairs would like to evaluate its affirmative action program for students. After extended discussion, the faulty

  Describe what this correlation indicates about association

Describe what this cor relation indicates about the association between the fastest speed driven and picking a number between 1 and 10.

  Research on the duration of calls initiated

A legislative aide is doing research on the duration of calls initiated on car cellular phones. A preliminary study showed that the standard deviation of these calls is 1.6 minutes.

  Find the modified control limits for the process mean

It is desirable for the process nonconformance to be within 1.5%. If the acceptable level of type I error is 0.05, find the modified control limits for the process mean.

  Should the process be stopped

Suppose the sample mean is x‾  = 4.014. Should the process be stopped?- Suppose the sample mean is x‾ = 3.979. Should the process be stopped?

  Find the break-even point

1. If the forecasted demand is 750 tons, what should the university do? 2. Find the break-even point.

  Describe how you would use a random number table to get a

describe how you would use a random number table to get a random sample of 50 people who had listed phone numbers in a

  Construct the control charts

After collecting data for 30 days, you plan to construct the control charts.

  Find mean and variance of the number of ink jet printers

15 are ink jet printers. if a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet printers.

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