3 years ago

Which sample size will produce the widest 95% confidence interval, given a sample proportion of 0.5?

Mathematics

1 answer:

valentinak56 [21]3 years ago

3 0

Answer:

D. 50

Step-by-step explanation:

Width: 2z × sqrt(var/n)

Interval is wider when:

z is higher

n is smaller

In the options, least value of n is 50

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