That's lambda. Time per event

Gives you your theta.

Here are the haikus that the Fall 2022 Math 137 students have permitted me to share.

Probability

is not a problem for me

Pictures were my friend!

Math is so hard I

Need to find my Therapist

I just want to cry

Permute means arrange

Combinations equal choose

But order is null

Confi Intervals

Contains the real mean if

Data is normal

Sums or Averages?

The Normal Distribution

Standardize the Mean

Find the mean value

Get the expected value

Sum of xf(x)

Most important rule

Probability above

One means something's wrong.

Distributions are

very hard to memorize

glad we have passed it.

Probability!

Mutually exclusive?

Snowing in Fall ain't.

Have some data set?

5-step summary: you just

need min, max, quartiles.

Neptune ruins money!

Hurry, use distribution!

NASA needs your help!

Don't know the S.D?

Just square root the variance

It is that easy

Expected Value:

Continuous PDF?

Uh oh! Integral!

Large n, small p of

Binomials, good Poisson

Approximations