exam Maths Puzzle Numerical Ability

4. The chi-square distribution is
A) positively skewed.
B) negatively skewed.
C) normally distributed.
D) negatively or positively skewed.
E) none of the above.

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exam Other Question

Hi! I need some help to simplify and reduce to lowest terms

(w/45)+[(3w+2)/30]

and

[1/(10a^3b)]+[4/(ac^3)]

thanks so much for your help in advance!! Generate a graph for the following function g(x)=-4x^2 + 16x-19
Find the vertex and x and y intercepts for the graph, show all work