Answer:
Lower limit = 0.76
Upper limit = 0.84
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 350
Number of drivers that buckle = 280
Formula:


The standard deviation for sp =

95% Confidence Interval:


Putting the values, we get,

Lower limit = 0.76
Upper limit = 0.84
I think it’s b but i’m not sure
0.75 (decimal) is equal to 3/4 (simplified fraction)
Answer:
2x^2-18
Step-by-step explanation:
2x to the power of 2 minus 18
Answer:
60%
Step-by-step explanation:
3/5 left x 100 = 60%