I am not so sure of this but I feel it would serve as hint
Answer:
47.72%
Step-by-step explanation:
Given
Mean (u) = 15
SD = 4
P(15<x<23) = 
= 
=P(0<z< 2)
=P(z<2) - P(z<0)
Use standard normal table to find probability of the z score
= 0.9772 - 0.5
= 0.4772
47.72%
7) A
8) C
9) B
I’m not certain but I hope this helps you...sorry if I got it wrong!!
Answer:
The airplane gains speed when it takes off. Then it begins to lose speed at the same rate. The plane then stays at the same speed the rest of the time.
Answer:
y= 2x +1/3
Step-by-step explanation:
3y= 6x+1
divide the whole equation by 3 to isolate y
y= 2x+1/3