Question Help ▼ A researcher wishes to estimate, with 99% confidence, the population proportion of motor vehicle fatalities that were caused by alcohol-impaired driving. His estimate must be accurate...

I need all parts of the answer including a, b, and c. Please.


Extracted text: Question Help ▼ A researcher wishes to estimate, with 99% confidence, the population proportion of motor vehicle fatalities that were caused by alcohol-impaired driving. His estimate must be accurate within 5% of the population proportion. t in (a) No preliminary estimate is available. Find the minimum sample size needed. (b) Find the minimum sample size needed, using a prior study that found that 32% of motor vehicle fatalities that were caused by alcohol-impaired driving. ults (c) Compare the results from parts (a) and (b). al fo nal p (a) What is the minimum sample size needed assuming that no prior information is available? (Round up to the nearest whole number as needed.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All parts remaining a here to search delete ort sc 近