Answer:
its s
Step-by-step explanation:
ughhh
Answer:
153.586 close to 154 students
Step-by-step explanation:
mean=61
standard deviation =10
sample 450 students , x between 61 and 71
(x-mean)/deviation for score 61 and 71
61-61/10=0
71-61/10=1
the z-scores is between 0 and 1 ( use calculator)
the percentage is 0.3413 close to 34%
number of students that score between 61 and 71=
450*0.3413= 153.586 close to 154 students
Answer:
153.938 sq in.
Step-by-step explanation:
7 x 7 = 49
49 x pi = 153.938
pi = 3.14
Answer:
10
Step-by-step explanation:
5
2 x
-------
10
