Answer: 84.9
Step-by-step explanation:
Model's equation: y=1.11x^2
Since y = 2000
y = 1.11x^2
2000 = 1.11x^2
x^2 = 2000/1.11
x^2 = 1801.8
x = 42.45
Diameter of the smallest circle will be:
= 2x
= 2 × 42.45
= 84.9
Answer:
The answer is true
Step-by-step explanation:
To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2
Answer:
The reasonable range for the population mean is (61%, 75%).
Step-by-step explanation:
The interval estimate of a population parameter is an interval of values that consist of the values within which the true value of the parameter lies with a certain probability.
The mean of the sampling distribution of sample proportion is,
.
One of the best interval estimate of population proportion is the 95% confidence interval for proportion,

Given:
n = 150
= 0.68
The critical value of <em>z</em> for 95% confidence level is:

Compute the 95% confidence interval for proportion as follows:


Thus, the reasonable range for the population mean is (61%, 75%).
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Step-by-step explanation:
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