+1-415-315-9853

info@mywordsolution.com

## Statistics

To find a 95% confidence interval for the population mean.

As part of a real estate company study, the selling prices of 45 homes in a particular neighborhood were gathered. The sample mean price was \$244,000. Suppose that the population standard deviation is known to be \$38,500. Find a 95% confidence interval for the population mean selling price of all homes in this neighbourhood.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M922240

Have any Question?

## Related Questions in Statistics and Probability

### A communication system sends data in the form of packets of

A communication system sends data in the form of packets of fixed length. Noise in the communication channel may cause a packet to be received incorrectly. If this happens, then the packet is retransmitted. Let the proba ...

### Letnbspnbspbe a random sum of discrete iid random

Let   be a random sum of discrete IID random variables. Further, let   be the probability-generating functions of  N and X, respectively. Find the probability-generating function of S assuming that is independent of the ...

### Problem 1you invest in a portfolio of 5 stocks with an

Problem 1: You invest in a portfolio of 5 stocks with an equal investment in each one. The betas of the 5 stocks are as follows: .75, -1.2, .90, 1.3, 1.5. The risk free return is 4% and the market return is 9%.??A. Compu ...

### Suppose that a certain college class contains

Suppose that a certain college class contains 60 students. Of these,are 37 freshmen, 28 are economics majors, and 10 are neither. A student is selected at random from the class. (a) What is the probability that the stude ...

### Suppose a pair of random variablesnbsp xy uniformly

Suppose a pair of random variables  (X,Y) uniformly distributed over a rectangular region  Find the conditional PDF (X,Y) given the conditioning event   where the region is an arbitrary region completely contained within ...

### A professor took a sample of 194 students from her morning

A professor took a sample of 194 students from her morning class and 131 in the evening class. On the 1st exam, all those sampled from the morning class got 64 while those sampled from the evening averaged to 71 with a v ...

### Hotels are rated on the basis of one to five stars the

Hotels are rated on the basis of one to five stars. The Holiday Stay Hotel chain rated all 50 of it's hotels. The data is shown in the diagram below. Number of Stars  Frequency  1            7 2 10 3 22 4 8 5 3 1. Find t ...

### Jim crowresearch in your text book or any source from

Jim Crow Research in your text book or any source from within our Library about Jim Crow Laws and share with the class the history it (where did it come from, what it means etc.) 250 words with and accredited source Addi ...

### 1 suppose that the distance of fly balls hit to the

1. Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 50 feet. We randomly sample 49 fly balls. a. If X ¯ = average distan ...

### Madison has just burnt 15 songs onto a music mix cd 5 are

Madison has just burnt 15 songs onto a music mix CD, 5 are country, 5 are pop, and 5 are Disney songs. If she is interested in randomly listening to 3 songs, how many different combinations of songs can she listen to if ...

• 13,132 Experts

## 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.

### A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

### What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

### Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

### Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

### Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate