[
Sample Data
]
Sample Size
n
=
Sample Proportion
p̂
=
0 < p̂ < 1
[
Confidence Level
]
1 - α
95%
99%
[
Sampling Distribution
]
Normal Distribution
<Figure 6.4.3> Data input for 『eStatU』 Estimation of the population proportion
Execute
[
Confidence Interval
]
z
α/2
=
√ p̂ (1-p̂) /n
=
p̂
±
z
α/2
√ p̂ (1-p̂) /n
⇔
[
,
]
n =
1
1000
1-α =
0.60
0.99
Graph Save
<Figure 6.4.4> Simulation for estimating the population proportion