Mathematics, 22.06.2021 21:00 bearbri4520
The weight of a product is normally distributed with a mean of 4 ounces and a variance of .25 squared ounces. What is the probability that a randomly selected unit from a recently manufactured batch weighs more than 5 ounces
Answers: 2
![P(X5)\\\\=P(\dfrac{X-Mean}{\sqrt{Variance}}\dfrac{5-4}{\sqrt{0.25}})\\\\=P(Z\dfrac{1}{0.5}) \ \ \ [z=\dfrac{X-Mean}{\sqrt{Variance}}]\\\\=P(z2)\\\\=1-P(Z](/tpl/images/1381/5953/00549.png)
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