Jan’s age is 3 years less than twice Tritt’s age. The sum of their ages is 30. Write an equation that could be used to find the
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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
From the question we are told the confidence level is 97.5% , hence the level of significance is
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Generally from the normal distribution table the critical value of is
Generally we will assume the sample proportion to be
Generally the sample size is mathematically represented as
=>
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