Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Finance: P/E Ratio The price of a share of stock divided by a company's estimated future earnings per share is called the P/E ratio. High P/E ratios usually indicate "growth" stocks, or maybe stocks that are simply overpriced. Low P/E ratios indicate "value'' stocks or bargain stocks. A random sample of 51 of the largest companies in the United States gave the following P/E ratios (Reference: Forbes).
11
35
19
13
15
21
40
18
60
72
9
20
29
53
16
26
14
27
10
12
47
33
17
25
23
5
8
49
44
31
67
51
32
(a) Use a calculator with mean and sample standard deviation keys to verify that x = 25.2 and s = 15.5.
(b) Find a 90% confidence interval for the P/E population mean m of all large
U.S. companies.
(c) Find a 99% confidence interval for the P/E population mean m of all large
(d) Interpretation Bank One (now merged with J.P. Morgan) had a P/E of 12, AT&T Wireless had a P/E of 72, and Disney had a P/E of 24. Examine the confidence intervals in parts (b) and (c). How would you describe these stocks at the time the sample was taken?
(e) Check Requirements In previous problems, we assumed the x distribution was normal or approximately normal. Do we need to make such an assump- tion in this problem? Why or why not? Hint: See the central limit theorem in Section 6.5.
What is the probability that the mean contents of a six-pack are less than 12 ounces and what is the chance I find at most two defectives in the sample
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
Construct a probability for the number of students in the sample who watch soap operas.
The team wins 55% of their night games, and 85% of their day games. According to today's newspaper, they won yesterday. What is the probability the game was played at night?
For a sample of 100 employees, a personnel direc- tor has collected data on x 5 the number of years an employee has been with the firm and y 5 the number of shares of company stock the employee owns. The data are in file XR02044. a. Generate a scatt..
How high would transportation costs/tariffs have to be to render this practice unprofitable for travelers?
We can compare two sample means to determine if the samples were obtained from normal populations with the same mean using the "t" distribution.
a water treatment plant needs to maintain the ph of the water in the reservoir at a certain level. to monitor this they
If we have a random sample of 6 patients who press call buttons. What is the probability that under 4 of them will have to wait five minutes to more for staff to respond?
a grocery store needs to sell 3000 cartons of 2l 2 milk per month. the sales is relatively constant throughout the
Determine the probability that of a Type I error using decision rule if population mean is in fact 800 kilowatts per day?
a government testing agency studies aspirin capsules to see if customers are getting cheated with capsules that contain
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd