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SAS A00-240 Exam - Topic 4 Question 23 Discussion

Refer to the exhibit:An analyst examined logistic regression models for predicting whether a customer would make a purchase. The ROC curve displayed summarizes the models. Using the selected model and the analyst's decision rule, 25% of the customers who did not make a purchase are incorrectly classified as purchasers.What can be concluded from the graph?
C) About 85% of the customers who did make a purchase are correctly classified as making a purchase.
A) About 25% of the customers who did make a purchase are correctly classified as making a purchase.
B) About 50% of the customers who did make a purchase are correctly classified as making a purchase.
D) About 95% of the customers who did make a purchase are correctly classified as making a purchase.

SAS A00-240 Exam - Topic 4 Question 23 Discussion

Actual exam question for SAS's A00-240 exam
Question #: 23
Topic #: 4
[All A00-240 Questions]

Refer to the exhibit:

An analyst examined logistic regression models for predicting whether a customer would make a purchase. The ROC curve displayed summarizes the models. Using the selected model and the analyst's decision rule, 25% of the customers who did not make a purchase are incorrectly classified as purchasers.

What can be concluded from the graph?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Gwenn at May 04, 2022, 09:55 PM

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Sueann
10 months ago
I thought it would be lower than 50%, interesting!
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Vincent
10 months ago
Definitely not 95%, that seems too high.
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Irma
11 months ago
I'm guessing it's closer to 85% accuracy based on the ROC curve.
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Melissia
11 months ago
Wait, how can we be sure about the correct classifications?
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Luisa
11 months ago
Looks like 25% false positives is pretty rough.
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Johnson
11 months ago
I feel like the correct answer is probably C or D, but I need to think about how the misclassification affects the true positive rate.
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Katlyn
11 months ago
If 25% of non-purchasers are misclassified, that might suggest a higher true positive rate, but I can't recall the exact numbers for correct classifications.
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Veta
11 months ago
I think I saw a similar question where we had to interpret the ROC curve, and it was about the true positive rate being higher than the false positive rate.
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Denae
11 months ago
I remember something about ROC curves indicating true positive rates, but I'm not sure how that relates to the percentages given here.
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Brandee
11 months ago
Hmm, I'm a little unsure about this one. I know manual lenses have good iris control, but I'm not sure if they're the best in all lighting conditions. I might need to think this through a bit more.
upvoted 0 times
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Marsha
11 months ago
Opening up the RDS instances to all IP addresses? That sounds like a huge security risk. I'll steer clear of that.
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Fannie
11 months ago
I'm a bit confused by this question. The options all sound like they could be part of a product owner's responsibilities. I'll have to review my notes on the product owner role to decide which one best captures the core responsibility.
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Dulce
12 months ago
Okay, let's see... The question is asking about tools for performing a DNS zone transfer attack. I remember learning about Dig, Host, and NSLookup in class, so those are likely the correct answers. I'll go with those.
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Cherry
12 months ago
I remember studying the different solutions, but I'm not sure if FlexStack is part of Cisco's offerings.
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