Answer: it’s b I think
Step-by-step explanation:
b.) It ensures you will take the proper precautions when setting up your experiment.
Answer:
3. Walter's sample is not representative. 4. The population is his community service group.
Step-by-step explanation:
3. His sample is not representative because the survey was only on his math class, not the whole entire population. This sample only represents his math class.
4. The population is his community service group that is what class he is surveying 15 members from.
Hope this helped!
Answer:
0.25
Step-by-step explanation:
Answer:
Step-by-step explanation:
take 61 degree as reference angle
using cos rule
cos 61=adjacent/hypotenuse
0.48=5.5/x
x=5.5/0.48
x=11.45
x=11.5