Determining the proportion and find the proportion
Let X~N(1.3,2) the proportion and find the proportion
A. Prop(X<2.85)
B. Prop(X>3)
C. Prop(1.33 D. Prop(X<9.1)
D. Prop(X<9.1)
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Shade the area that represents the proportion and find the proportion
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A 13 m ladder whose weight is 249 N is placed against a smooth vertical wall. A person whose weight is 959 N stands on the ladder a distance 1.2 m up the ladder.The foot of the ladder rests on the ?oor 9.23 m from the wall.Calculate the force exerted
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How many times should a coin be tossed to obtain a probability of equal to or greater than 0.9 of observing at least one head?
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