A researcher chooses three leaves from a target environment and classifies each sample as fungus-free or contaminated. Suppose that a leaf has a probability of 0.4 of being infected. Find the probability, that two leaves infected.
?
A. 0.490
B. 0.181
C. 0.314
D. 0.144
E. 0.288
Answer: E
Mathematics
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Find the inclination of the line with the given slope. Round your answer to the nearest tenth of a degree, if necessary.0.704
A. 99.9° B. 54.9° C. 9.9° D. 35.1°
Mathematics
Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}n(A' ? B)
A. 8 B. 12 C. 9 D. 3
Mathematics
Answer the question.Which order of differentiation will calculate fxy faster, x first or y first?f(x, y) = x2y + 
A. x first B. y first
Mathematics
Insert < or > to make the statement true.0 _____ -57
A. > B. <
Mathematics