Answer:
yes
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Given
f(x) = , then
f(12) = = = ± 3
There are 2 values 3 and - 3
The positive value of f(12) is + 3
Answer:
60 students
Step-by-step explanation:
The confidence interval of a proportion is given by:
Where 'p' is the proportion of students who responded 'yes', 'z' is the z-score for a 95% confidence interval (which is known to be 1.960), and 'n' is the number of students in the sample.
If the confidence interval is from 0.584 to 0.816, then:
60 students were in the sample.
Answer:
C
Step-by-step explanation:
4*5=20 include c, and 4*-2=-8 include d
Answer:
1/10
Step-by-step explanation:
the friends eat 1/10 of the whole bar or 1/5 of half a bar