DEMO QUESTIONS

Q1:

State whatthe limit of a function with input variable xrepresents.

A: The limit represents the smallest value that the function can take over its considered range.

B: The limit represents the behaviour of a function as x approaches a certain value.

C: The limit represents the value of x for which the function is incalculable.

D: The limit represents the value of the function when x=0.

Correct Answer: B

Q2:

For random variable X, use the following statistics to calculate its coefficient of skewness based on central moments. E(X) = 3.940 E(X2) = 21.466 skew(X) = E[(X – )3] = 6.008

A: '-0.415

B: 0.060

C: 0.415

D: 0.768

Correct Answer: C

Q3:

State whatthe limit of a function with input variable xrepresents.

A: The limit represents the smallest value that the function can take over its considered range.

B: The limit represents the behaviour of a function as x approaches a certain value.

C: The limit represents the value of x for which the function is incalculable.

D: The limit represents the value of the function when x=0.

Correct Answer: B

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