Question

5) Identify the null hypothesis, alternative hypothesis, test statistic, critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.

In a 3M Privacy Filters poll, 806 adults were asked to identify their favorite seat when they fly, and 492 of them chose a window seat. Use 0.01 significance level to test the claim that 62% of adults prefer window seats when they fly.

Answer #1

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In a #M privacy Filters Poll, 806 adults were asked to identify
their favorite seat when they fly, and 492 of them chose a window
seat. Test the claim that the majority of adults prefer window
seats when they fly. Use
a)
b)
c)
d)
e)

In a recent poll, 784 adults were asked to identify their
favorite seat when they fly, and 517 of them chose a window seat.
Use a 0.01 significance level to test the claim that the majority
of adults prefer window seats when they fly. Identify the null
hypothesis, alternative hypothesis, test statistic, P-value,
conclusion about the null hypothesis, and final conclusion that
addresses the original claim. Use the P-value method and the
normal distribution as an approximation to the binomial...

In a recent poll,
805805
adults were asked to identify their favorite seat when
they fly, and
475
of them chose a window seat. Use a
0.05
significance level to test the claim that the majority
of adults prefer window seats when they fly. Identify the
null hypothesis, alternative hypothesis,
test statistic, P-value, conclusion about the
nullhypothesis, and final conclusion that addresses the original
claim. Use the P-value method and the normal distribution as
an approximation to the binomial distribution.

Identify the null hypothesis, alternative hypothesis,
test statistic, P-value, conclusion about the null hypothesis, and
final conclusion that addresses the original claim.
A manufacturer considers his production process to be out of
control when defects exceed 3%. In a random sample of 85 items, the
defect rate is 5.9% but the manager claims that this is only a
sample fluctuation and production is not really out of control. At
the 0.01 level of significance, test the manager's claim.

Identify the null hypothesis, alternative hypothesis, test
statistic, P-value, conclusion about the null hypothesis, and final
conclusion that addresses the original claim. Test the claim that
the mean lifetime of car engines of a particular type is greater
than 220,000 miles. Sample data are summarized as n = 23, ?̅ =
226,450 miles, and s = 11,500 miles. Use a significance level of ?
= 0.01.

Identify the null hypothesis, alternative hypothesis, test
statistic, P-value, conclusion about the null hypothesis, and final
conclusion that addresses the original claim. A survey of 1025
adults found that 113 of them, or 11%, said they or a household
member had been a victim of a computer or internet crime on their
home computer in the past year. At the 0.05 level of significance,
test the claim that the rate of internet crime victims is less than
12%.

Identify the null and alternative hypothesis(in symbolic and
sentence form), test statistic, P-value(or critical values),
conclusion about the null hypothesis, and final conclusion that
addresses the original claim (Don’t just say Reject the null
hypothesis or fail to reject the null hypothesis).
2. According to a recent poll 53% of Americans would
vote for the incumbent president. If a random sample of 100 people
results in 45% who would vote for the incumbent, test the claim
that the actual percentage is...

Identify the null hypothesis, alternative hypothesis, test
statistic, P-value, conclusion about the null hypothesis, and final
conclusion that addresses the original claim.
A manufacturer claims that the mean lifetime of its fluorescent
bulbs is 1000 hours. A homeowner selects 25 bulbs and finds the
mean lifetime to be 980 hours with a standard deviation of 80
hours. If α = 0.05, test the manufacturer's claim.

Identify the null and alternative hypothesis(in symbolic and
sentence form), test statistic, P-value(or critical values),
conclusion about the null hypothesis, and final conclusion that
addresses the original claim (Don’t just say Reject the null
hypothesis or fail to reject the null hypothesis).
1. In a clinical study of an allergy drug, 108 of the 202
subjects reported experiencing significant relief from their
symptoms. At the 0.01 significance level, test the claim that more
than half of all those using the...

Identify the null hypothesis, alternative hypothesis,
test statistic, P-value, conclusion about the null hypothesis, and
final conclusion that addresses the original claim. Use the P-value
method.
A simple random sample of 55 adults is obtained from a normally
distributed population, and each person’s red blood cell count (in
cells per microliter) is measured. The sample mean is 5.26 and the
sample standard deviation is 0.54. Use α = .07 to test the claim
that the sample is from a population...

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