Given:
The given equation is:
To find:
The value of p.
Solution:
We have,
Multiply both sides by 3.
Isolating the variable terms, we get
Divide both sides by 11, we get
Therefore, the required solution is .
Trapezoid Area Problem
1 answer:
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You can see the answer and solution from the picture
Answer:
(0.6430, 0.8170)
Step-by-step explanation:
Given that during a recent drought a water utility in a certain town sampled 100 residential water bills and found out that 73 of the residences had reduced their water consumption over that of the previous year.
Sample size n = 100
Sample proportion p =
q = 1-p = 0.23
Std error of proportion =
95% Z critical value = 1.96
Margin of error =
Confidence interval = sample proportion ±margin of error
0.642983946
0.817016054
(0.6430, 0.8170)