Tutor profile: Zhenyu J.
Inactive
Zhenyu J.
Former Machine Learning Engineer at NetEase, Inc.
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Questions
Subject: Python Programming
TutorMe
Question:
What's a pythonic way to create a dictionary?
Inactive
Zhenyu J.
Answer:
func = lambda x : x**2 dict = { i : func(i) for i in range(1000)}
Subject: Statistics
TutorMe
Question:
The temperature is recorded at 60 airports in a region. The average temperature is 67 degrees Fahrenheit with standard deviation of 5 degrees. What is the z-score for a temperature of 68 degrees?
Inactive
Zhenyu J.
Answer:
z = (68 - 67)/5 = .2
Subject: Algebra
TutorMe
Question:
Simplify: (3x^2y^-2)^3 / (9xy^3)^3
Inactive
Zhenyu J.
Answer:
(1/27)(x^3 / y^15)
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