Mathematics, 21.11.2019 02:31, jaylaa04
1/.1897rockwell hardness of pins of a certain type is known to have a mean of 50 and a standard deviation of 1.2 under regular conditions. without assuming population normality, what is the approximate probability that the sample mean hardness for a random sample of 40 pins is at least 51?
Answers: 2
Mathematics, 21.06.2019 20:30, strawberrymochi390
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
Answers: 2
Mathematics, 21.06.2019 21:00, newsome1996p4ggft
5x−4≥12 or 12x+5≤−4 can you with this problem
Answers: 3
1/.1897rockwell hardness of pins of a certain type is known to have a mean of 50 and a standard devi...
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