Answer:
x=7
Step-by-step explanation:
by pythagoras, 25^2=24^2+x^2
solve for x
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:
3 and 3/7 ok hope it helps