bac-s-maths 2019 Q4

bac-s-maths · France · centres-etrangers 1 marks Confidence intervals Determine minimum sample size for a desired interval width
The tourist office wishes to conduct a survey to estimate the proportion of clients satisfied with the services offered at the ski resort. For this, it uses a confidence interval of length 0.04 with a confidence level of 0.95. The number of clients to interview is: a. 50 b. 2500 c. 25 d. 625
The tourist office wishes to conduct a survey to estimate the proportion of clients satisfied with the services offered at the ski resort.\\
For this, it uses a confidence interval of length 0.04 with a confidence level of 0.95.\\
The number of clients to interview is:\\
a. 50\\
b. 2500\\
c. 25\\
d. 625