Mathematics, 04.03.2021 03:50 log40
A normally distributed variable, x, has a mean of 259. p(x < 261.51)= 0.9184. Find the standard deviation of x.
Answers: 3
Mathematics, 21.06.2019 16:50, gesic2003
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 17:40, zaygonegraduate
Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =
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Mathematics, 21.06.2019 23:00, Pankhud5574
Is a square always, sometimes, or never a parallelogram
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A normally distributed variable, x, has a mean of 259. p(x < 261.51)= 0.9184. Find the standard d...
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