There are 40 nickels in every standard coin roll. What is the constant of proportionality?(Numbers only) Write an equation to re
1 answer:
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Answer:
Step-by-step explanation:
As sample size increase the variability of the estimate of the proportion would decreases ( reduces)
The formula of variance of the estimator of the proportion is as
Since the denominator of the formula of the variance of sample proportion is n
so as n increase the variance of it decrease.
The center of the estimate of proportion would same
Because
which does not affect the value of n ( sample size).
Answer:
CD = 2 units
Step-by-step explanation:
in the given right triangle ΔCDE,
By applying tangent rule,
tan(∠E) =
=
tan(30)° =
CD =
CD = 2 units
Therefore, CD = 2 unit will be the answer.