Mathematics, 10.11.2020 16:20 RicoGonza
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.9 years, and standard deviation of 2.9 years. If you randomly purchase 9 items, what is the probability that their mean life will be longer than 14 years
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Mathematics, 21.06.2019 18:00, rosenatalie222
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
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Mathematics, 21.06.2019 23:20, elizediax8683
Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1
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