How to calculate the probability and accuracy of a Logistic Regression classifier?

Question

How to solve this problem?

Q1) Complete the ? sections

Q2) Accuracy of system if threshold = 0.5?

Q3) Accuracy of system if threshold = 0.95?

Comments

can anyone confirm on how to calculate the accuracy as per the solution provided.
thanks,

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just compare your estimated results with column 3 "Sold"

accuracy =Output/Input= (Correct Estimated Value)/(No Values in Column 3, which is 4)

Accuracy= 3/4= 75% in both cases if you compare your result with Column 3

Hope it will help

Answer 1

Please check the answer below: