Topics Covered
• Population proportion vs sample proportion
• Sampling distribution of p̂
• Normality conditions (np ≥ 10 and n(1 − p) ≥ 10)
• Mean and standard deviation (standard error) of p̂
• Effect of sample size and population proportion
• Z-score calculations for proportions
• Probability calculations using normal approximation
• Sampling with vs without replacement (finite population correction)
• Step-by-step problem-solving process
• Common misconceptions and exam tips
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