A sample of size 284 will be drawn from a population with mean 45 and standard deviation

Question:

A sample of size 284 will be drawn from a population with mean 45 and standard deviation 7.

a. Find the probability that x̄ will be greater than 46.

b. Find the 75th percentile of x̄.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

See More Books

Question Posted: May 06, 2024 12:01 PM

See More Questions

You manage a portfolio of equity and fixed-income securities worth $80,000,000. You've identified four sources of risk for your portfolio equity, interest rate, currency, and oil price risk. To...
Suppose a random sample will be selected from a population that is known to have a normal distribution. Then the statistic has a standard normal (z) distribution. Since it is rarely the case that is...
A sample of size 20 will be drawn from a population with mean 6 and standard deviation 3. a. Is it appropriate to use the normal distribution to find probabilities for x? b. If appropriate find the...
Based on the following data, determine the cost of merchandise sold for August: Merchandise inventory, August 1 $120,000 Merchandise inventory, August 31 150,000 Purchases 780,000 Purchases returns...
Suppose that a continuous function is periodic with period 2 and is quadratic between -0.25 and 0.25 and linear between - 1.75 and - 0.25. In addition, it has the value 0 at 0 and 0.0625 at 0.25....
Find the volume of the solid of revolution generated by revolving about the x-axis the region under each of the following curves. y = kx from x = 0 to x = h
Option to Wait Versus Immediate Investment Global Investments has hired you as a financial consultant to advise them on whether to enter the shoe market, an investment opportunity that has an initial...
ROI and RI with manufacturing costs. Superior Motor Company makes electric cars and has only two products, the Simplegreen and the Superiorgreen. To produce the Simplegreen, Superior Motor employed...
Which of the following statement is true Select one: a. All evidence must have the same level of persuasiveness b. All are false c. Auditors use evidence to help them draw conclusions d. All evidence...
CHINA TRADE, INC. Project Statement It is mid-September, nearly two years after you received your degree. While attending National, you became acquainted with fellow students Mae Ling and James...
A sample of size 91 will be drawn from a population with mean 33 and standard deviation 17. a. Find the probability that x will be less than 30. b. Find the 25th percentile of x.
A sample of size 68 will be drawn from a population with mean 92 and standard deviation 24. a. Find the probability that x will be greater than 90. b. Find the 90th percentile of x.
What can managers and organizations do to help employees who work from home be efficient and productive?
16. List I describes four systems, each with two particles A and B in relative motion as shown in figures. List II gives possible magnitude of their relative velocities (in m s) at time t = 3 S....
17. List I describes thermodynamic processes in four different systems. List II gives the magnitudes (either exactly or as a close approximation) of possible changes in the internal energy of the...
1. 2 mol of Hg(g) is combusted in a fixed volume bomb calorimeter with excess of O2 at 298 K and 1 atm into HgO(s). During the reaction, temperature increases from 298.0 K to 312.8 K. If heat...
3. A solution is prepared by mixing 0.01 mol each of H2CO3, NaHCO3, Na2CO3, and NaOH in 100 mL of water. pH of the resulting solution is [Given: pk, and pKa2 of H2CO3 are 6.37 and 10.32,...
6. Consider the following reaction. LOH red phosphorous Br2 R (major product) Br On estimation of bromine in 1.00 g of R using Carius method, the amount of AgBr formed (in g) is [Given: Atomic mass...
HAART, or highly active antiretroviral therapy, is currently recommended for the treatment of HIV and involves the administration of three or more medicines at one time. Explain why this combined...
Determine the annual percentage yield for a loan that charges a monthly interest rate of 1.5% and compounds the interest monthly.
EN CARE LE MULUUN Help Save A check issued for $890 to pay a vendor on account was recorded in the firm's records as $980, the canceled chock was property listed on the tank statement at $890. To...
1. Which of the following statements about integrated accounting software is true? Mid-range (or mid-level) accounting software would not be ideal for a multinational company because typical programs...
Sunrise Coffee Shop, in an effort to streamline its accounting system, has decided to utilize a cash receipts journal. Record the following transactions for the first two weeks in March, total the...

A sample of size 284 will be drawn from a population with mean 45 and standard deviation

Question:

Step by Step Answer:

Elementary Statistics

Students also viewed these Business questions