Fix wrong reference to p_B instead of delta
Merge pull request #121 from tritemio/master

Fix wrong reference to p_B instead of delta
adding ABC
Update Chapter1_Introduction.ipynb

Fixed two typos
Update Chapter1_Introduction.ipynb
Merge pull request #122 from vsl9/master

Update Chapter 1
Correct comment on what code actually does
Merge pull request #123 from JensRantil/minor-comment-fix

Correct comment on what code actually does
adding average income by programming languages statistical mistake
Merge branch 'master' of github.com:CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers
the example shows 500 samples, not 300
lw variable is used everywhere except here
lowercase x and y are defined (same object), but only x is used. substituting to y makes more sense; minor whitespace edits
superfluous parenthesis
Merge pull request #125 from haraldschilly/master

CH3: 4 minor changes
PEP8 fixes for Chapter 3
CH2: Correct Bernoulli failure probability

This was fixed in 3fe9939b38dbfd3547f15080232ae49caf262cec but unrelated
changes in 16c6a7778792088cf15d63836c359133d5cded7f reverted the fix.
Merge pull request #127 from kyleam/bern-prop-failure

CH2: Correct Bernoulli failure probability
Merge pull request #126 from bobjansen/master

PEP8 fixes for Chapter 3
fixing figures