Suppose x = 1 with probability p, and x = 0 with probability (1 - p). Then,

Question:

Suppose x = 1 with probability p, and x = 0 with probability (1 - p). Then, x is the special case of a binomial random variable with n = 1, so that

With n trials, using the formula s>1n for a standard deviation of a sample mean, explain why the standard deviation of a sample proportion equals

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

Step by Step Answer:

Related Book For book-img-for-question

Statistics The Art And Science Of Learning From Data

ISBN: 9780321997838

4th Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

See More Books

Question Posted: Jul 12, 2018 01:26 PM

The previous exercise gave the formula for the standard deviation of a discrete random variable X. Lets look at a simple case. Suppose X is a binary random variable where X = 1 with probability p and...
A and B play the following game: A writes down either number 1 or number 2, and B must guess which one. If the number that A has written down is i and B has guessed correctly, B receives i units from...
Radioactive mass 1 emits particles at a mean rate of Î» 1 per second, and radioactive mass 2 emits particles at a mean rate of Î» 2 per second. Mass 1 is selected with...
Heights Academy, a private school, serves 500 students: 200 in the middle school (Grades 6 to 8) and 300 in the high school (Grades 9 to 12). Each school group has its own assistant principal, and...
What is cost incurred?
Give an example of each of the four levels of power discussed in this chapter. Also, give an example of each of the spheres of business power.
A stock price is governed by geometric Brownian motion with $\mu=.20$ and $\sigma=.40$. The initial price is $S(0)=1$. Evaluate the four quantities E[In S(1)], E[S(1)], stdev[In S(1)]...
In Chapter 7, you developed a use case diagram, an activity diagram, and a system sequence diagram for the use cases Rent movies and Return movies. In Chapter 11 you developed a first-cut DCD and...
a) Let R be the relation on the set A = {1, 2, 3, 4} defined by R = {(x, y)/x + 3y 12}. Find the matrix representing R R. b) Suppose that the relation R is defined on the set Z where aRb means: ba",...
Solve the following integral step by step 2yz sin()dxdydz S z=0 y=sin(2z) x=0
Under the null hypothesis H 0 : p 1 = p 2 of equal population proportions, the standard error for the difference in the two sample proportions mentioned on page 494 reduces to se 0 = (b + c)/n 2 ,...
The formula Ï/n for the standard deviation of x actually is an approximation that treats the population size as infinitely large relative to the sample size n. The exact formula for a finite...
Modify the Vector class header and implementation files (Listings 11.13 and 11.14) so that the magnitude and angle are no longer stored as data components. Instead, they should be calculated on...
1. List five business practices that can help reduce losses from product liability lawsuits. 2. What is the difference between negligence and strict liability? 3. Why might a party decide to commence...
The software business you are currently operating has not been doing so well for the last several years. A major competitor has moved in to the territory and is bidding on jobs at a much lower price....
1. Describe two services provided by the Canadian government to assist Canadian exporters. 2. Briefly describe Canada's transaction pricing system for determining the value for duty.
1. Identify and describe the various parties involved in a letter of credit transaction. 2. What are the benefits to the various parties of the use of a letter of credit? 3. What is the legal...
On a typical Wednesday morning, you come into work as usual. Upon sitting down at your desk and firing up your computer, you notice something doesn't look quite right with your screen setup. Not...
In the text, we say that after the merge sort splits the array into two subarrays, it then sorts these two subarrays and merges them. Why might someone be puzzled by our statement that it then sorts...
31. What is the income that can be received over 15 years from $500,000 earning 6% annually? 32. What is the semiannual payment required to retire $50,000 in debt over 5 years at 8% compounded...
Consider the analogy discussed in Section 9.4 between making a decision about a null hypothesis in a significance test and making a decision about the innocence or guilt of a defendant in a criminal...
Consider Example 13 about testing H0: p = 1/3 against Ha: p > 1/3 for the astrology study, with n = 116. Find P(Type II error) for testing H0: p = 1/3 against Ha: p > 1/3 when actually p = 0.50, if...
Refer to the FL Student Survey data file on the text CD. Test whether the (a) Population mean political ideology (on a scale of 1 to 7, where 4 = moderate) equals or differs from 4.0. (b) Population...
The Pallon Company manufactures a variety of handerated bed frames. The company's manufacturing activitiesor the current Sear follow:Manufacturing Activity Estimated Cost Cost Driver Used as...
A company's inventory records indicate the following data for the month of April: Date Activities Units Acquired at Cost Units Sold at Retail April 1 Beginning inventory 8 2 0 units @ $ 3 6 = $ 2 9 ,...
How do authors employ intertextual allusions to enrich the layers of meaning in their works and establish connections across disparate literary traditions?

Suppose x = 1 with probability p, and x = 0 with probability (1 - p). Then,

Question:

o = Vnp(1 – p) = vp(1 – p) Vp(1 – p)/n.

Step by Step Answer:

The stan...View the full answer

Statistics The Art And Science Of Learning From Data

Students also viewed these Mathematics questions