Large Sample Proportion Hypothesis Testing Explained

What significance level is used for the hypothesis testing?

• 1%

• 10%

• 20%

• 5%

What is the null hypothesis in the context of the hypothesis testing for internet access?

• More than 30% of households have internet access.

• Exactly 30% of households have internet access.

• Less than or equal to 30% of households have internet access.

• None of the above.

What does the alternative hypothesis claim in this scenario?

• Exactly 30% of households have internet access.

• Less than 30% of households have internet access.

• None of the above.

• More than 30% of households have internet access.

What is the sample proportion of households with internet access?

• 0.58

• 0.28

• 0.38

• 0.48

Which distribution is used to approximate the distribution of sample proportions?

• Exponential distribution

• Binomial distribution

• Normal distribution

• Poisson distribution

What is the calculated standard deviation of the sample proportions?

• 0.021

• 0.045

• 0.037

• 0.055

How many standard deviations away from the mean is the sample proportion?

• 2.14

• 3.14

• 1.14

• 4.14

What is the critical Z-value for a significance level of 5%?

• 1.96

• 1.65

• 1.45

• 1.28

What is the probability of getting a Z-value less than 1.65 in a normalized distribution?

• 90%

• 95%

• 99%

• 85%

What does a Z-value of 2.14 indicate in this hypothesis test?

• Accept the null hypothesis

• Data is inconclusive

• Need more data to decide

• Reject the null hypothesis