Ifthe fish commission states that the mean length of all fish in spring run is mean =15cm,withthe standard deviation of variance
=4cm,what will be the probability that a fish is caught in spring run :between 15cm&19cm?
1 answer:
Answer:
Step-by-step explanation:
z(lower) = (15-15)/4 = 0
z(upper) = (19-15)/4= 1
z at 0 = .5
z at 1 = 0.841344746
(look these up in a Z table)
probability "between" = 0.841344746 - .5 = 0.3841344746
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3 = 45 : 5 = 75
Step-by-step explanation:
interior angles in a triangle = 180
2 sides + 60 = 180
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<u>3</u> x 120
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