I hope this helps you
if in 350 students are 14 students were absent
in 100 students are ?
?.350=100.4
?=400/360
?=1.14%
Answer:
Let level of significance is
=0.05
Since p-value is greater than alpha so students' mean score does not significantly differ from the national average.
Correct option is:
His students' mean score does not significantly differ from the national average, because his p-value is greater than alpha.
Let level of significance is
=0.10
Since p-value is less than alpha so students' mean score does significantly differ from the national average.
Correct option is:
His students' mean score does significantly differ from the national average, because his p-value is less than alpha.
Answer:
l(l - 2) = 168
Step-by-step explanation:
Let w = width
Let l = length
Let A = area
w = l - 2
A = l * w
also, A = 168
equating the two values of A
l * w = 168
l * (l - 2) = 168
l^2 - 2l = 168
l(l - 2) = 168