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stodd9503
05.02.2020 •
Mathematics
If triangle abc is defined by the coordinates a(3, 6), b(7, 6), c(7, 3) is dilated by a scale factor of 3, with resulting vertex a' at (9, 18). what is the center of the dilation?
a) (0,0)
b) (3,6)
c) (9,18)
d) (6,12)
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Ответ:
the answer would be A trust me
Step-by-step explanation:
0,0 is the center of dilation
Ответ:
The probability of 9 successes in 10 trials in the binomial probability experiment is 0.387
Step-by-step explanation:
In this question, we are asked to compute the probability of 9 successes in 10 trials , given that the probability of success is 0.9
Firstly we need to know which approach we are going to use to solve this problem. To compute this probability, the approach to use is the Bernoulli approximation. To use this, we need to know the probation failure.
We can represent this by let’s say q. The probability of failure q in this case is 1-p = 1-0.9 = 0.1
Let us figure out the Bernoulli expression here. It would look like;
nCx * p^x * q^(n-x)
Let’s impute the value properly, we have;
10C9 * 0.9^9 * 0.1^1
= 10 * 0.9^9 * 0.1 = 0.387