Warm Up by Amy Leon https://padlet.com/amyleon0712/slaknshwvbb3sbut Made with an open mind en-us 2020-10-23 19:24:54 UTC 2025-09-24 05:32:50 UTC hello@padlet.com area (percentage), if they're asking to the left of it --> subtract from 1. https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857229961 You can use invnorm to find z-score, plug mean = 0, sigma = 1 ]]> 2020-10-23 20:07:43 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857229961 Properties https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857232672 1) Independent
2) Only 2 outcomes (success/fail)
3) Probability of success is the same = p
4) A fixed # of trials
Random Variable (Xtra)]]> 2020-10-23 20:08:51 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857232672 Empirical Rule https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857237027 %s, 68, 95, 99.7]]> 2020-10-23 20:10:37 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857237027 InvNorm + Normalcdf https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857238122 If asked for above, upper: 9999
If asked for below, lower: -9999]]> 2020-10-23 20:11:06 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857238122 Situations https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857240438 Exactly --> BinomialPDF (n,p,x)
At least --> 1-BinomialCDF (n, p, x-1)
At most --> BinomialCDF (n, p, x) 
Greater than --> 1-BinomialCDF (n, p, x)
Less than --> BinomialCDF (n, p, x-1)]]> 2020-10-23 20:12:11 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857240438 z-score table + eq. https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857246429 Z = (x-u)/sigma]]> 2020-10-23 20:14:47 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857246429 Empirical Prob https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857246941 P(A) = # of times A occurs / # of trials]]> 2020-10-23 20:15:01 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857246941 Addition Rule (or) https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857247171 General Rule:
P(AuB) = P(A) + P(B) - P(AnB)

Special (Disjoint): 
P(AuB) = P(A) + P(B)

]]> 2020-10-23 20:15:08 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857247171 Multiplication Rule (and) https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857249704 General Rule: 
P(AnB) = P(A) * P(B|A)

Special (Independent): 
P(AnB) = P(A) * P(B)]]> 2020-10-23 20:16:18 UTC https://padlet.com/amyleon0712/slaknshwvbb3sbut/wish/857249704