Answer:
-3 2/7 per day
Step-by-step explanation:
-2 3/10 then put that all over 3 1/2
-23/10 divided by 7/2
-23/10 *21/7 = -23/7= -3 2/7 per day
the 10 cross out and make a 5
i should be right
Answer:
= 6.75 × 10^8
Step-by-step explanation:
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.
