Answer:
12,475.3cm^3
Step-by-step explanation:
volume = π x r2 x h
π x 19^2 x 11 = 12,475.264
rounded = 12,475.3
Answer:
144 cm^2
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, we know the area of a square is L*W
L=12
W=12
12*12=144 cm^2
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See picture for a reply to your question.
Answer:
a)
b) SD(x) = 0.9986
Step-by-step explanation:
Given data:
Number of slots 38
slots for red ball 18
slots for black = 18
slots for green 2
outcomes Red Black or Green
Profit 1 -1
P(X) 18/38 20/38
Expected value of wining,

B) Standard deviation of winning SD(x)


SD(x) = 0.9986