If BC = 26, find DE. Use the figure below
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Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is E = 0.03
The sample proportion is
From the question we are told the confidence level is 95% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the sample size is mathematically represented as
=>
=>