A Random Sample of 9 TI-89 Titanium Calculators Being Sold $\sigma = 116$

question 21

Multiple Choice

A random sample of 9 TI-89 Titanium calculators being sold over the internet had the following A college admissions officer takes a simple random sample of 120 entering freshmen and computes their mean mathematics SAT score to be 448 . Assume the population standard deviation is $\sigma = 116$ .
Based on a $98 \%$ confidence interval for the mean mathematics SAT score, is it likely that the mean mathematics SAT score for entering freshmen class is greater than 464 ? (Hint: you should first construct the $98 \%$ confidence interval for the mean mathematics SAT score.)

• A) \(\mathrm { Yes }\)
• B) The likelihood cannot be determined.
• C) \(\mathrm { No }\)