True/False [16 pts]
Instructions. For each of the following statements, write down whether they are true or false.
You do not need to justify your answer.
1. It is impossible for two events to be disjoint and independent at the same time.
2. Suppose that
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Final Stat13A
Set A2
Please do not forget to put your first and last name on the solution sheet.
Exam is CLOSED NOTES AND CLOSED BOOKS but you can have one
page onesided handwritten notes (socalled cheat sheet). PLEASE ALWAYS
EXPLAIN YOUR ANSWERS AND NU
A1 SOLUTIONS
1) [10 pts] There are three bowls, marked S1, S2 and S3 with red and
blue candies. In the bowl S1 there are three blue and seven red
candies. In the bowl S2 there are five blue and five red candies.
Finally, in the bowl S3 there are 8 blue an
Midterm Sta 13 A
Set A1
Please do not forget to put your first and last name on the color coded
solution sheet.
Exam is CLOSED NOTES AND CLOSED BOOKS but you can have a
one page onesided handwritten notes (socalled cheat sheet).
Good luck!
Jacek Leskow
Homework 8 Solution
STA 13, Spring 2014
Problem 1 (9.67)
Given: n1 = 40, n2 = 40, x1 = 2980, x2 = 3205, s1 = 1140, s2 = 963
(a) If we have no preconceived notions about which mean should be bigger, then the alternative hypothesis is simply that the popula
Midterm
STA 100 Summer Session 2 2015
Name:
Student ID:
Problem Points Total Your Score
True/False
16 pts
1
14 pts
2
13 pts
3
9 pts
4
11 pts
5
11 pts
6
15 pts
7
11 pts
Total
100 pts
You have 1 hr and 40 minutes to complete this exam. Please show your work
Homework 1
Written Problems (72 pts)
There are 6 written problems for this homework. Please show all work in order to obtain partial
credit in case of an incorrect answer.
Problem 1. (Statistical Scenarios) [12 pts]
For each of the following scenarios, sp
Short Answer [30 pts, 5 pts each]
Instructions. Please write up brief and concise answers to the following questions.
1. A sociologist is interested in the number of children in Colorado households. She collects
300 households at random from Colorado and
Final Stat13A
Set A1
Please do not forget to put your first and last name on the solution sheet.
Exam is CLOSED NOTES AND CLOSED BOOKS but you can have one
page onesided handwritten notes (socalled cheat sheet). PLEASE ALWAYS
EXPLAIN YOUR ANSWERS AND NU