I the Standard Normal Distribution Is the Appropriate Distribution When

question 123

Multiple Choice

i. The standard normal distribution is the appropriate distribution when testing a hypothesis about a population proportion. ii. When testing population proportions, the z statistic can be used when np and n(1 - p) are greater than five.
iii. To conduct a test of proportions, the assumptions required for the binomial distribution must be met.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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