Question: A worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with mean 14 centimeters and variance 9 .
A worn, poorly set-up machine is observed to produce components whose length X
follows a normal distribution with mean 14
centimeters and variance 9
. Calculate the probability that a component is at least 12
centimeters long.
- Round your answer to four decimal places.
Provide your answer below:
3 point 4 2 53.425
$\text{Basic}$Basic
$\text{Basic}$Basic
Nine9
789Divided by456Multiplied by123-Minus0.,+PlusLeftRightBackspace=Equals
$x$x$y$y$x^2$x2$\sqrt{ }$$\frac{x}{ }$x$x\frac{ }{ }$x$x^{ }$x$x_{ }$x<>$%$\degree$:$\left( ight)$()$\abs{ }$$\pi$$\infty$
1234567890Backspace
qwertyuiop
asdfghjkl:
Upzxcvbnm,.
LeftDownRightCaps Lock
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