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10 cards from this deck
To estimate Binomial probabilities in large samples.
When nnn is large and npnpnp, n(1−p)n(1-p)n(1−p) are both ≥ 5.
np≥5np \geq 5np≥5 and n(1−p)≥5n(1-p) \geq 5n(1−p)≥5.
nnn is 100, the number of flips.
ppp is 0.7 for heads.
μ=np=70\mu = np = 70μ=np=70.
It measures data dispersion around the mean.
To adjust Binomial probabilities for Normal distribution.
Use z=(X−μ)/σz = (X - \mu) / \sigmaz=(X−μ)/σ.
Use normal approximation for binomial distribution.
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