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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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