![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 13.03.2020 18:01, 22nathanieltimms
You are to take a multiple-choice exam consisting of 64 questions with 2 possible responses to each question. Suppose that you have not studied and so must guess (select one of the two answers in a completely random fashion) on each question. Let x represent the number of correct responses on the test.
a. what kind of probability does x have?
b. What is your expected score on the exam?
c. Compare the variance and standard deviation of x.
d. based on your answers to parts b and c, is it likely that you would score over 50 on this exam?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00, uuuugggghhhh2463
At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00, lnbrown9018
Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:10, verdolaga2017me
What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}
Answers: 1
Do you know the correct answer?
You are to take a multiple-choice exam consisting of 64 questions with 2 possible responses to each...
Questions in other subjects:
![Konu](/tpl/images/cats/biologiya.png)
Biology, 14.09.2020 04:01
![Konu](/tpl/images/cats/istoriya.png)
History, 14.09.2020 04:01
![Konu](/tpl/images/cats/fizika.png)
Physics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 04:01