Question: A random variable x has a Normal distribution with an unknown mean and a standard deviation of 12. Suppose that we take a random sample

A random variable x has a Normal distribution with an unknown mean and a standard deviation of 12. Suppose that we take a random sample of size n = 36 and find a sample mean of x = 98. What is a 95% confidence interval for the mean of Macmillan Learning x ? O (74.48, 121.52) O (94.08, 101.92) O (96.355, 99.645) O (97.347, 98.653)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

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 Mathematics Questions!

CoursHeroTranscribedText: Question 1 The daily volume of a brokerage company follows a normal distribution. The director wants to estimate the daily volume negotiated. a) What size should have a...

Please help me with this project. In this project you are going to find your own dataset. This should be a raw dataset. That means you should have a set of data where each unit of observation has...

A probability distribution functioSuppose you are conducting a quality control test on a man- ufacturing process that produces bolts. The length of these bolts follows a normal distribution with an...

Why is an increase in price more likely to decrease the total revenue of a seller in the long run than in the short run?

Classified Electronics has an unfunded retiree health care plan. Each of the company's three employees has been with the firm since its inception at the beginning of 2010. As of the end of 2011, the...

Wachman Company produces a product with the following per-unit costs: Direct materials $15 Direct labor 6 Manufacturing overhead 10 Last year, Wachman produced and sold 1,000 units at a price of $75...

1.4 Discrete or Continuous? Identify each quanti- tative variable as discrete or continuous. a. Number of boating accidents along a 50-kilometre stretch of the St. Lawrence River b. Time required to...

Cholla Companys standard fixed overhead rate is based on budgeted fixed manufacturing over-head of $10,200 and budgeted production of 30,000 units. Actual results for the month of October reveal that...

Use the constant growth model (gordon growth model) to find the value of each firm shown in the following table. Firm Dividend expected next yr dividend growth rate Required Return A $1.20 8% 13% B...

After hearing a knock at your front door, you are surprised to see the Prize Patrol from a large, well-known magazine subscription company. It has arrived with the good news that you are the big...

If a group of people was placed in a crowded room, one person per two square feet of area, given a math exam and most did poorly, this would not demonstrate that crowding causes poor math performance...

What does stickiest refer to in regard to social media

A scientific study on lift strength gives the following data table Lift strength Tons 46 47 51 55 56 Time to move load seconds 159 166 123 128 117 Using technology it was determined that the total...

Which of the following jobs has the greatest risk of death? a. Firefighter b. Compliance officer c. Event coordinator d. Taxi driver e. Airline pilot

Katsu perceives that Gloria only pays attention to the wealthiest customers who she expects to leave large tips. Katsu reminds Gloria that they are supposed to rotate based on when customers enter...

ents: SC 2019FA ACCTIA 15005: FINANC AL ACCOUNNG Week 4:1 e-Class Assignment (AC Steps 5-7) i Saved Brief Exercise 4.5 Accruing Uncollected Revenue (L04-6) Ted's Tax Service has worked on client tax...

Controls can be identified based on their function. The functions are preventive, detective, and corrective. A. True B. False

=+How large a sample would be needed to produce a 95% confidence interval with a margin of error of 0.004?

=+ What are the undesirable consequences?

=+ Propose an ethical solution that considers the welfare of all stakeholders.