Answer:
The probability that the sample proportion will be at least 3 percent more than the population proportion is 0.6157
Step-by-step explanation:
We need sample proportion between 0.75 - 0.03 = 0.72 and 0.75 +0.03 = 0.78. Here we have p = 0.75 and n= 158.
So z-score for sample proportion q = 0.72
z = 
= 
= - 
= - 0.872
So z-score for sample proportion q = 0.78
z= = 
= = 0.872
Therefore the probability that the sample proportion will be within 3 percent of the population proportion is
P( 0.72 < q < 0.78) = P ( -0.872 < z < 0.872)
= P( z < 0.872) - P( z < -0.872)
= 0.80785 - 0.19215
= 0.6157
The answer is A.
Use Desmos Matrix Calculator. Enter you Matrix then the equation.
Well since I don't know what the original value I'll label it as X. So your equation will start out as X - (1.20 x 1) which would be for every hour for a half hour just divide 1.20 / 2 to get your half an hour. (1.20 x 3) + 0.60. Should be easy if they want it in faction form than it would just be 1.20 x 3 1/2.
Hope this helps
Answer:
decrease income
Step-by-step explanation:
income is already lower than expenses so lowering it further is the worst you can do out of all 4
Answer:
I am not so sure but I think it is x>3
Step-by-step explanation:
