Answer:
95% confidence interval for the mean amount of recycled material from all households in Clemson is between a lower limit of 3.875 pounds and an upper limit of 4.125 pounds.
Step-by-step explanation:
Confidence interval is given as mean +/- margin of error (E)
mean = 4 pounds
sample sd = 0.5 pound
n = 64
degree of freedom = n-1 = 64-1 = 63
confidence level (C) = 95% = 0.95
significance level = 1 - C = 1 - 0.95 = 0.05 = 5%
Critical value (t) corresponding to 63 degrees of freedom and 5% confidence level is 1.9982
E = t×sample sd/√n = 1.9982×0.5/√64 = 0.125 pound
Lower limit of mean = mean - E = 4 - 0.125 = 3.875 pounds
Upper limit of mean = mean + E = 4 + 0.125 = 4.125 pounds
95% confidence interval is (3.875, 4.125)
Answer:4/a^2
Step-by-step explanation:
In the given scenario above, the one who will be named as
the external stimulus is the action of having to use the sense of sight when
you have seen the fruit of bowl. The internal stimulus will be the action of having
to feel the hunger.
Area of a circle is:
A = (3.14)r^2
The picture shown is that the radius is 4
So,
A = (3.14)4^2
A = 50.2
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