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 taking a multiple choice exam consisting of eighty-eight questions, each of which has four possible responses exactly one of which is the correct response. suppose that you have not studied and so must randomly guess (select one of the four responses in such a way that each response is equally likely to be selected) on each question. Define X as the number of correct responses on the test.
a. note that X is a binomial random variable. state the four requirements necessary to establish this and explain why each of these requirements is valid in the context of this multiple choice exam.
b.What is your expected score on the test? Explain
C. Compute the standard deviation of X. Explain
D. What is the range of "ordinary" scores on the test? Explain how you define "ordinary"
E. Is it likely that you will answer at least forty-four questions correctly on the test? Explain.
F. John randomly guesses to answer each question. Is his score of thirty-four out of eighty-eight unusual? Explain
At other casinos, the dealer is required to take a hit on soft 17, but must stay on all other hands with a value of 17, 18, 19, 20, or 21. For this situation, determine the probability of the ending value of the dealer's hand.
Thompson Machine Works purchased several new, highly sophisticated machines. The production department needed some guidance with respect to qualifications needed by an operator. Four variables were listed.
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.
How many bulbs should be tested so that we can be 90% confident that the estimate of the mean will not differ from the true mean life by more than 10 hours?
Use the hypergeometric formula to find this probability. The lottery commission also pays if a contestant matches 4 or 5 of the 6 winning numbers. Hint: Divide the 44 numbers into two groups, winning numbers and nonwinning numbers.
Interstate 90 is the longest of the east-west U.S. interstate highways with its 3,112 miles stretching from Boston, MA at I-93 on the eastern end to Seattle WA at the Kingdome on the western end. It travels across 13 northern states; the number of..
Shank's Inc., a nationwide advertising firm, wants to know whether the size of an advertisement and the color of the advertisement make a difference in the response of magazine readers.
Create a hypothesis and perform a series of tests to determine if there is any fundamental difference in the findings.
Given that both balls selected are white what is the probability that bowl 3 was selected?
Think about a real life situation that follows a linear equation, with the independent variable being years. What would the slope tell you about future years?
In 1998, as the advertising campaign, Nabisco Company announceda "1000 Chips Challenge," claiming. Develop the 95% confidence interval for average number of chipsin bags of Chips Ahoy cookies.
(a) Find the median cost of houses at Coal City in 1988. (b) Find the modal selling price of houses at Coal City in 1988.
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