Question

A question was posted on the American Online website: "Do you think the Loch Ness Monster is real?" 21,346 people responded, and 64% said yes.

1) Use a .01 significance level to test the claim that most people believe "Nessie" exists.

a) What is the claim?

b) What are the hypotheses?

c) What is the test statistic?

d) What conclusion can we make, and what does it tell you about the claim?

2) Does the sampling method used make you question your results? Why or why not?

Answer #1

An
online poll asked:"Do you believe the Loch Ness monster exists?"
Among 21,213 responses, 64% were "yes". Use a 0.01 significance
level to test the claim that most people believe that the Loch Ness
monster exists. How is the conclusion affected by the fact that the
internet users who saw the question could decide whether to
respond?
identify the test statistic for this hypothesis test?
identify the P-Value?
identify the conclusion?

An online poll asked: "Do you believe the Loch Ness monster
exists?" Among 22, 4282 responses, 62% were "yes." Use a 0.05
significance level to test the claim that most people believe that
the Loch Ness monster exists. How is the conclusion affected by the
fact that Internet users who saw the question could decide whether
to respond?

An online poll asked: "Do you believe the Loch Ness monster
exists?" Among
21 comma 01921,019
responses,
6161%
were "yes." Use a
0.010.01
significance level to test the claim that most people believe
that the Loch Ness monster exists. How is the conclusion affected
by the fact that Internet users who saw the question could decide
whether to respond?
Identify the null and alternative hypotheses for this test.
Choose the correct answer below.
A.
Upper H 0H0:
pequals=0.50.5
Upper H...

an online poll asked : do you believe the locc Ness
monster exist? among 22,341 responses 68% were yes. use 0.01
significance level to test the claim that most people believe that
the locc Ness monster exist. how is the conclusion affected by the
fact that the internet users who saw the question could decide
whether to respond. provide any TI 84 commands

An online site presented this? question, "Would the recent
norovirus outbreak deter you from taking a? cruise?" Among the
34,577 people who? responded,64?% answered?"yes." Use the sample
data to construct a 95?% confidence interval estimate for the
proportion of the population of all people who would respond? "yes"
to that question. Does the confidence interval provide a good
estimate of the population? proportion?

A recent survey was conducted and the main question asked was
"Do you think the use of marijuana should be made legal, or not?"
The poll results are summarized below.
Response Count
Yes 558
No 367
Undecided 90
At the 1% significance level, do these poll results provide
sufficient evidence to support the claim that a majority (i.e.,
more than half) of U.S. residents are in favor of legalizing
marijuana?
1. Define the parameter of interest and state the null...

An experiment was done to test the effectiveness of a drug that
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people are randomly assigned to the experimental group, and they
receive the new drug for six weeks. The other 25 people are
randomly assigned to the control group, and they receive the
commonly used drug for six weeks. After...

Costs of Capital vs Opportunity Costs
1.What connection do you think exists between costs of capital
and "opportunity costs?"
The cost of capital is measured so that you can evaluate the
firm’s investment opportunities. In other words, it measures the
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****PLEASE ANSWER ALL QUESTIONS****
Question 7 (1 point)
The owner of a local golf course wants to determine the average
age of the golfers that play on the course in relation to the
average age in the area. According to the most recent census, the
town has an average age of 38.58. In a random sample of 20 golfers
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Question 5: Assume that you make candy bars; the advertised
weight of the candy bar is 4.0 ounces with a standard deviation
(sigma) of 2.35 oz. however your production manager thinks that
this is not true; he thinks the candy bars are over-weight, they
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