Suppose that a population is known to be normally distributed with 2,000 and 230 If a random sample of size n 8 is selected, calculate the probability that the sample mean will exceed 2,100 ...

Because the population is normally distributed the sampling distribution for the mea ...

Suppose that a population is known to be normally distributed with = 2,000 and =

Question:

Suppose that a population is known to be normally distributed with μ = 2,000 and σ = 230. If a random sample of size n = 8 is selected, calculate the probability that the sample mean will exceed 2,100.

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

Step by Step Answer:

Related Book For book-img-for-question

Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

See More Books

Question Posted: Dec 02, 2015 02:01 AM

See More Questions

The standard deviation for a population is = 6.30. A random sample selected from this population gave a mean equal to 81.90. The population is known to be normally distributed. a. Make a 99%...
If a population is known to be normally distributed with = 250 and = 40, what will be the characteristics of the sampling distribution for based on a random sample of size 25 selected from the...
Suppose that a population contains N = 200,000 elements. Use a computer or Table I of Appendix A to select a random sample of n = 10 elements from the population. Explain how you selected your sample.
The following data are for four independent process-costing departments. Inputs are added uniformly. Required: Compute the equivalent units of production for each of the preceding departments using...
A type of new car is offered for sale with 4 option packages. A customer can buy any number of these, from none to all 4. A manager proposes the null hypothesis that customers pick packages at...
Lets continue our accounting for Grahams Yard Care, Inc. from Chapter 3. Starting in July, Grahams Yard Care, Inc. has begun selling plants that it purchases from a wholesaler. During July, Grahams...
$X$ is the number of bits in error in the next four bits transmitted. What is the expected value of the square of the number of bits in error? Now, $h(X)=X^{2}$. Therefore, \[ \begin{aligned}...
Calgary Lumber has a raw lumber division and a finished lumber division. The variable costs are: Raw lumber division: $ 130 per 100 board- feet of raw lumber Finished lumber division: $ 155 per 100...
Firm A has net fixed assets of $100 in 2007 and it is operating at 90% capacity. Assume it cannot dispose of its redundant fixed assets . In 2008, sales are projected to grow by 30% . How much net...
Star Golf Products is considering whether to upgrade its equipment. Managers are considering two options. Equipment manufactured by Heatherwood Inc. costs $900,000 and will last six years and have no...
A population with a mean of 1,250 and a standard deviation of 400 is known to be highly skewed to the right. If a random sample of 64 items is selected from the population, what is the probability...
A normally distributed population has a mean of 500 and a standard deviation of 60. a. Determine the probability that a random sample of size 16 selected from this population will have a sample mean...
Which of the following are components of the definition of internal auditing? a. Independence and objectivity. b. A systematic and disciplined approach. c. Helping the organization accomplish its...
Suppose f(z)=-2z-4, while a=-2 and 6=9. Compute the following A.) f(a)+f(b)= B.) f(a)-f(b)
Boley Company produces 6000 units in a year and experiences the total variable cost of $60,000 and total fixed cost of $40,000. The variable cost is the sum of the following components, direct...
2. What is Hohner's average contribution per unit for its harmonicas in Germany?
How do the principles of mass transfer phenomena, including diffusion, convection, and dispersion, underpin the design and optimization of advanced separation processes such as distillation,...
A company has 1 0 employees who each work 2 , 0 0 0 hours per year. If practical capacity per employee is 8 5 % , the number of minutes per employee used in TDABC calculations is ?
What expense applies to natural resources? By which amortization method is this expense computed?
Suppose that a flow network G = (V, E) violates the assumption that the network contains a path s t for all vertices V. Let u be a vertex for which there is no path s u t. Show that there must...
What is the height of the tallest person included in the histogram? Where on the histogram is that height depicted? Is that height an outlier? Could that height be an exceptional value that is...
What is a reasonable explanation for the gap between the group of people with heights between 43 in. and 55 in., and the group of people with heights between 57 in. and 77 in.? Constructing...
Use the frequency distribution from Exercise 19 in Section 2-2 to construct a histogram. What can you conclude from the distribution of the digits? Specifically, do the heights appear to be reported...
How does the concept of intersectionality, as developed by Kimberl Crenshaw, challenge traditional understandings of identity and social categorization by highlighting the interconnectedness and...
To what extent does intersectional scholarship inform policy-making and advocacy efforts aimed at addressing social disparities and promoting equity and justice for marginalized communities ?
How can intersectionality contribute to building solidarity and fostering coalitions across diverse social movements, while also recognizing and respecting the distinctiveness of different...

Suppose that a population is known to be normally distributed with = 2,000 and =

Question:

Step by Step Answer:

Because the population is normally distributed the sampling distribution for the mea...View the full answer

Business Statistics A Decision Making Approach

Students also viewed these Statistics questions