Question: A simple random sample of 64 8th graders at a large suburban middle school indicated that 88% of them are involved with some type of

A simple random sample of 64 8th graders at a large suburban middle school indicated that 88% of them are involved with some type of after-school activity. Find the 98% confidence interval that estimates the proportion of them that are involved in an after-school activity.

Step by Step Solution

★★★★★

3.38 Rating (160 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

n 64 C 98 11 1098 002 22 001 Zd2 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!

Paul has deposited $1000 in a savings account paying interest at j = 4.5% and now finds that his deposits have accumulated to $1246.18. If he had been able to invest the $1000 over the same period in...

Recommendations for improvements that could be made to bolster Crocs' operations.

A simple random sample of 50 items from a population with 6 resulted in a sample mean of 32. a. Provide a 90% confidence interval for the population mean. b. Provide a 95% confidence interval for...

An oil company is interested in estimating the true proportion of female truck drivers based in five southern states. A statistician hired by the oil company must determine the sample size needed in...

4.A simple random sample of 64 8th graders at a large suburban middle school indicated that 88% of them are involved with some type of after school activity. Find the 98% confidence interval that...

A simple random sample of 64 8th graders at a large suburban middle school indicated that 88% of them are involved with some type of after school activity. Find the 98% confidence interval that...

3.A simple random sample of 64 8th graders at a large suburban middle school indicated that 89% of them are involved with some type of after school activity. Find the margin of error associated with...

Need answers only need this done in 45 minutes, if not possible do not take the question The z-score associated with the 99 percent confidence interval is a) 2.326 b) 3.079 c) 2.576 d) 2.235 e) 2.526...

I need help on how to solve them im doing something wrong and i do not know what step am i doing wrong 15. Let X be a random variable with Normal distribution, mean = 16, sd = 2. Find the value of x...

The food-service manager of Too-Simple Hotel is planning a new price structure for room service. It has been determined that the hotel's cost of a glass of orange juice is 20 cents. To provide the...

Assume the Federal Reserve has a 25% reserve requirement. A new-to-the-system deposit of $100,000 is placed into a bank. What will be the change in the overall banking systems financial position when...

The following table shows predicted product demand using your particular forecasting method along with the actual demand that occurred: a. Compute the tracking signal using the mean absolute...

Write a 175- to 350-word email that you could send to classmates informing them of the important points of the NHA exam and how to plan to sit for the exam. Address the following in your email: What...

10. According to the Harvard Business Review article "The Secrets of Great Teamwork," which one of the following is true? (5 Points) A compelling mission statement and vision are more important than...

Explain the basic tradeoff a state makes when it tightens regulations on licenses for physicians, pharmacists, or any other professionals. What are the costs and benefits?

Suppose you have 4 files of sizes: 5 0 M , 6 4 K , 8 0 M , and 1 2 4 M . How many chunks are required to store these files in the GFS file system?

As long as we can't lose any money, we have a risk-free investment." Discuss this comment. Q2: Both investing and gambling can be defined as "undertaking risk in order to earn a profit." Explain how...

An example of diversity is people in lower socioeconomic classes consistently receiving more severe diagnoses than people in higher socioeconomic classes. Question 2 Answer True False

The Kearl oilsands project example touches on many topics within Operations and Supply Chain Management, and also many connections to the other functional areas of an organization. a. What aspects of...

In the situation described in Question 8, what would be the effect on the cost of quality to the supplier? In Question 8, In an agreement between a supplier and a customer, the supplier must ensure...

Create a value stream map of this supply chain. What other information is needed?

You find yourself in the middle of a frozen lake with a surface so slippery ( m s = m k = 0) you cannot walk. However, you happen to have several rocks in your pocket. The ice is extremely hard. It...

A small car is pushing a large truck. They are speeding up. Is the force of the truck on the car larger than, smaller than, or equal to the force of the car on the truck?

A mosquito collides head-on with a car traveling 60 mph. Is the force of the mosquito on the car larger than, smaller than, or equal to the force of the car on the mosquito? Explain.