i know it's been a while LJ, but i figured i should update ( Read more... )

a hardware store receives a shipment of bolts whose diameter have a normal distribution with a mean diameter of 1.2 inches and a standard deviation of 0.02 inches. the shipment will be considered substandard and returned if the mean diameter of a random sample of 120 bolts is less than 1.197 inches or greater than 1.203 inches. find the probability ( Read more... )

"three point one four one five nine two six:
a work of fiction? ever think the circle is a trick?
grab a pen, i'll add it to the list
of comprehension,
three point one four one five nine two six."

best line from a song ever?
i think so.

( Read more... )

haven't done one of these stupid things in a while. killin time before my statistics exam:

( teal deer )

i have recently renewed my interest in astronomy and the like stuff. i was browsing through an open forum and stumbled across a thread entitled: "are we alone ( Read more... )

black diamonds on
white snow under
full moons.

western harmonicas
on psilocybine
shaking ocular truths.

broken appliances on
watered floors beside
screaming gods.

busy weekend.

as always, the super bowl provided multiple lolz:

john madden once more proving that multiple on-field concussions lead to extensive loss of brain functionality.

commentators casually making jokes about somalian pirates while referencing the buccaneer's pirate ship in tampa.

commercials.

proof that human fallibility can be seen from both sides of the ( Read more... )

population/n = xbar
(x - xbar)
(x - xbar)²= Σ(x - xbar)²
[Σ(x - xbar)²/(n-1)] = s²
√[Σ(x - xbar)²/(n-1)] = s

aka also known as statistics is stupid.

the one thing nobody ever tells you about cold weather is the static electricity. that's one thing we never really worried about in florida; the air gets way too dry up here. take off a jacket and you can hear the snap and crackle of static from across the room. slide across the bedsheets too quickly? gettin' zapped. rub the zombiedog too fast? ( Read more... )