Answer:
C
Step-by-step explanation:
Finding the z-score:
z = (x - μ) / σ
z = (66 - 57) / 9
z = 1
Using a z-score table or calculator:
P(z < 1) = 0.8413
84.13% of 4000 is:
0.8413 (4000) = 3365.2
Rounding up to the nearest whole number, approximately 3366 students will score less than 66. Answer C.
Your answer would be 33 lb. hope that helped
(a)

different possibilities
(b)


So, there is a 1 in 4 chance that both dice will show an even.
Don’t say like that!Think you can and you will achieve! :) :)
Answer:
D
Step-by-step explanation: