Zadanie 10b
Find every time when the two contents are equal.
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Znaleziono 1343 zadania
Find every time when the two contents are equal.
Prove that A contains more than B whenever 7<t≤8.
Find the total time in[0,8] when B’s content increases faster than A’s.
Show that no point lies on all three planes.
(i) Verify that P lies on both Π₁ and Π₂. (ii) Find a vector equation of their line of intersection L.
Let L be the line of intersection of Π₁ and Π₂. Find the distance between L and Π₃.
Find the probability that a line-A piece has thickness below 117 μm.
Among 15 independently selected line-A pieces, find the probability that exactly 6 have thickness below 117 μm.
A piece is selected from the combined output. (i) Find the probability its thickness is below 117 μm. (ii) Given that its thickness is below 117 μm, find the probability it came from line A.
Line A is adjusted: its mean stays 120 μm but its standard deviation becomes σ>0. Line B and the output proportions are unchanged. The combined probability of thickness below 117 μm is now 0.18. Find σ.