You are participating in a raffle in which there will be 2000
tickets sold. Each ticket...
You are participating in a raffle in which there will be 2000
tickets sold. Each ticket costs 5 dollars. There is 1 first prize,
a $100 gift certificate. 2 second prize $50 gift certificates. And
5 third prizes of $25. Use this information to answer the following
questions. Show your work.
a. What is the expected value of a single raffle ticket?
b. According to the mathematics, should you participate in the
raffle?
c. If you purchased 20 tickets, how...
A box contains four slips of paper marked 9, 10, 11, and 12. Two
slips are...
A box contains four slips of paper marked 9, 10, 11, and 12. Two
slips are selected without replacement. List the possible values
for each of the following random variables shown below:
(a) x = sum of the two numbers
20, 21, 23, 24, 26
20, 22, 24, 26, 28
9, 10, 11, 12, 13
19, 20, 21, 22, 23
19, 21, 23, 25, 27
(b) y = difference between the first and second
numbers
-3, -1, 1, 3
-5,...
Suppose you went to a fundraiser and you saw an interesting
game. The game requires a...
Suppose you went to a fundraiser and you saw an interesting
game. The game requires a player to select five balls from an urn
that contains 1000 red balls and 4000 green balls. It costs $20 to
play and the payout is as follows:
Number of red balls
Prize
0
$0
1
$20
2
$25
3
$50
4
$100
5
$200
Questions:
1) Is this a binomial experiment? If so, explain what p, q, n,
and x represent and find...
*Please show your work
*Be sure to round z-values to 2 decimal places and round
any...
*Please show your work
*Be sure to round z-values to 2 decimal places and round
any probabilities to 4 decimal places
*If doing a hypothesis test, be sure to sure state the
Ho and Ha, you may choose the p-value or rejection region approach
to hypothesis testing, unless otherwise noted in the
question.
*If you need to use the normal approximation, be sure to
show the appropriate steps.
1. A survey of U.S. adults found that 8% say
their favorite...
Stats Ch 10-11 Test Your Excellency__________________
The score on the chapter 8 test is compared with...
Stats Ch 10-11 Test Your Excellency__________________
The score on the chapter 8 test is compared with a student’s
chapter 2 test. If a claim about the scores not being different is
tested, -
Find the t test statistic.
Name
A
B
C
D
E
Ch 8
40
42
50
45
46
Ch 2
40
35
40
42
45
D
0
7
10
3
1
Find the margin of error:
Find the 95% confidence interval of the mean difference, .
For...
Choosing Lottery Numbers: In the Super-Mega
lottery there are 50 numbers (1 to 50), a player...
Choosing Lottery Numbers: In the Super-Mega
lottery there are 50 numbers (1 to 50), a player chooses ten
different numbers and hopes that these get drawn. If the player's
numbers get drawn, he/she wins an obscene amount of money. The
table below displays the frequency with which classes of numbers
are chosen (not drawn). These numbers came from a sample of 180
chosen numbers.
Chosen Numbers (n = 180)
1
to 10
11
to 20
21
to 30
31
to...
SHOW ALL WORK FOR THE QUESTIONS ASKED! WHEN IT SAYS
CREATE A CHART, DO CREATE A...
SHOW ALL WORK FOR THE QUESTIONS ASKED! WHEN IT SAYS
CREATE A CHART, DO CREATE A CHART! AND WHEN IT SAYS TO EXPLAIN AN
ANSWER, EXPLAIN THAT ANSWER! ANSWER ALL THE QUESTIONS ASKED IN
GREAT DETAIL!
You're in charge of an operation that manufactures steel dowels
with a specification of 100 mm +/- 1 mm in length. You're concerned
about the quality in your process and have taken the following
samples. What is the probability of exceeding the maximum
dimension?...