Multiple Choice
A confidence interval was used to estimate the proportion of statistics students who are female. A random sample of 72 statistics students generated the following 90% confidence interval: (0.438,
0) 642) . Using the information above, what total size sample would be necessary if we wanted to
Estimate the true proportion to within ±0.08 using 95% confidence?
A) 105
B) 150
C) 420
D) 597
Correct Answer:
Verified
Correct Answer:
Verified
Q5: In the construction of confidence intervals, if
Q18: Other things being equal,the confidence interval for
Q76: Suppose a department store wants to estimate
Q93: SCENARIO 8-11<br>A poll was conducted by the
Q120: SCENARIO 8-12-B<br>You are the quality control
Q122: Private colleges and universities rely on money
Q125: SCENARIO 8-13-A<br>You are the quality control
Q126: SCENARIO 8-10<br>A sales and marketing management magazine
Q131: SCENARIO 8-4<br>The actual voltages of power packs
Q162: SCENARIO 8-10<br>A sales and marketing management magazine