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!
You are driving home late one evening and listen to the end of the Washington Wizards game on the radio. You hear the announcer say: "Well, it's another day of DC fan magic! Earlier the Washington Capitals won and now the Wizards win! It seems everytime one of these teams wins, the other team wins as well!" As a statistician that makes you wonder, is this true? Are these two events actually dependent or independent? After the end of the season you collect the following information about the records of the two local teams (identifying a total of 82 "matched games."):
Washington Capitals (hockey)
WIN
LOSE (or TIE)
TOTAL
Washington
23
46
Wizards (basketball)
LOSE
22
14
36
45
37
82
Below is a table of joint and marginal probabilities based on the table above.
0.28
0.56
0.27
0.17
0.44
0.55
0.45
1.00
Consider Event A to be "Capitals Win" and Event B to be "Wizards Win."
(a) What is P(A)? What is P(B)?
(b) Write out the formula/definition you will use to test whether these two events are independent.
(c) Use information from the table you created to make a decision about independence. What is your conclusion? Explain using specific numbers.
Develop a simulation for finding the probability that when 50 people are randomly selected, at least three of them have the same birth date. Describe the simulation and estimate the probability.
The following sample of size 11 was taken from a population that is not normally distributed: 87 59 77 65 98 90 84 56 75 96 66
Final model for the clothing retailer problem. The residual plots below show the residuals for the final model in the clothing retailer problem plotted against Purchase12 and Recency. Do the plots suggest any potential problems with the conditions..
How optimal or non-optimal is today's level of economic inequality in the USA? This is the subject for a couple of writing assignments. Are we too equal? Too unequal? About right?
what is the probability of completing the exam in one hour or more? what is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes?
Can we reject the hypotesis that the birthays are equally during each season of the year? use the 0.10 level of significance
use the values in the contingency table to solve the equations given.defga39712b8464c10537a. pf cap a b. pa b c. pb d.
A local pizza parlor advertises that their average time for delivery of a pizza is within 30 minutes of receipt of the order. To check the accuracy of their claim, the delivery time for a random sample of 64 orders were recorded.
a large number of people are waiting in line at espresso royale as it often happens at around noon. the barista
In a simple regression analysis, you notice that the R2 value is low (less than 0.4); however, the standard error is low. What does this tell you about the analysis?
Assume that Leo advertises "If it takes more than 30 minutes to get your pizza, you get it free". What percentage of his take-out pizzas will have to give away free?
A study finds that during blizzards, online sales are highly associated with the number of snow plows on the road; the more plows, the more online purchases. The director of an association of online merchants suggests that the organization should ..
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