AnswersProbability and Statistics with Applications Honors Sem-2-FL-1210300 2024-2025Type I and Type II Errors

Type I and Type II Errors Answers

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1
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• Consequence: The manager will:

Answers:
The manager convincing evidence that 2% of the shirts are defective, when the true proportion really is more than 2%.:does not find
The manager convincing evidence that 2% of the shirts are defective, when the true proportion really is more than 2%.:more than
when the machines .:continue production
when the machines .:really do need to be cleaned
2
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less thanapproximatelyexactly✔ more than

A
less than
B
approximately
C
exactly
D
✔ more than
3

stop production✔ continue production

A
stop production
B
✔ continue production
4

don’t really need to be cleaned✔ really do need to be cleaned

A
don’t really need to be cleaned
B
✔ really do need to be cleaned
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• Consequence: The manager will:

Answers:
The manager convincing evidence that 2% of the shirts are defective, when the true proportion really is 2%.:finds
The manager convincing evidence that 2% of the shirts are defective, when the true proportion really is 2%.:more than
and:stop production
and:have the machines cleaned
therefore .:waste valuable production time
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less thanapproximatelyexactly✔ more than

A
less than
B
approximately
C
exactly
D
✔ more than
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✔ stop productioncontinue production

A
✔ stop production
B
continue production
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select another random sample✔ have the machines cleaned

A
select another random sample
B
✔ have the machines cleaned
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✔ waste valuable production timemake a good decision

A
✔ waste valuable production time
B
make a good decision
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✔ findsdoes not find

Answers:
The program convincing evidence that the student understands 90% of the material, when she really does not.:finds
The program convincing evidence that the student understands 90% of the material, when she really does not.:more than
The program convincing evidence that she understands 90% of the material, when she really does.:does not find
The program convincing evidence that she understands 90% of the material, when she really does.:more than
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less thanapproximatelyexactly✔ more than

A
less than
B
approximately
C
exactly
D
✔ more than
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finds✔ does not find

A
finds
B
✔ does not find
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less thanapproximatelyexactly✔ more than

A
less than
B
approximately
C
exactly
D
✔ more than
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Malcolm wants to test

Answers:
Because the P-value α = 0.05, he should H0. Malcolm convincing evidence that the true proportion of all adults who go to the dentist regularly is 0.674.:is less than
Because the P-value α = 0.05, he should H0. Malcolm convincing evidence that the true proportion of all adults who go to the dentist regularly is 0.674.:reject
Because the P-value α = 0.05, he should H0. Malcolm convincing evidence that the true proportion of all adults who go to the dentist regularly is 0.674.:has
Because the P-value α = 0.05, he should H0. Malcolm convincing evidence that the true proportion of all adults who go to the dentist regularly is 0.674.:less than
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✔ rejectfail to reject

A
✔ reject
B
fail to reject
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✔ hasdoes not have

A
✔ has
B
does not have
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greater than✔ less thanequal to

A
greater than
B
✔ less than
C
equal to
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where p = the true proportion of all flips of this penny that land heads up using the α = 0.01 significance level.

Answers:
Because the P-value α = 0.01, he should H0. Jeremy convincing evidence that the true proportion of all flips of this penny that land heads up is 0.75.:is greater than
Because the P-value α = 0.01, he should H0. Jeremy convincing evidence that the true proportion of all flips of this penny that land heads up is 0.75.:fail to reject
Because the P-value α = 0.01, he should H0. Jeremy convincing evidence that the true proportion of all flips of this penny that land heads up is 0.75.:does not have
Because the P-value α = 0.01, he should H0. Jeremy convincing evidence that the true proportion of all flips of this penny that land heads up is 0.75.:less than
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reject✔ fail to reject

A
reject
B
✔ fail to reject
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has✔ does not have

A
has
B
✔ does not have

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