Answer: 0.628
Step-by-step explanation:
Probability of U.S. smartphone owners have made an effort to limit their phone use in the past : p = 0.4702
Sample size : n= 54
Mean : 
Standard deviation:

The probability that between 22 and 29 (inclusively) will have attempted to limit their cell phone use in the past will be :

Hence, the required probability = 0.628
I think it is a but I’m not sure
Slope (m) = 1
Y-intercept (b) = -4
Formula: y = mx + b
To put it in the y=mx+b formula, you just have to plug it in so the answer would be...
y = 1x + -4
Hope that helped
Is this more then one question?
Answer:
-10/7
Step-by-step explanation:
w - 5 = 8w + 5
w - 8w = 5 + 5
-7w = 10
w = - 10/7