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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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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