Answer:
a



b
Step-by-step explanation:
From the question we are told that
The probabilities are
Supplier chosen A B C
Probability P(a) = 0.20 P(b) = 0.25 P(c) = 0.15
D E
P(d) = 0.30 P(e) = 0.10
Generally the new probability of companies A being chosen as the sole supplier this year given that supplier E goes out of business is mathematically represented as below according to Bayes theorem


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Generally the new probability of companies B being chosen as the sole supplier this year given that supplier E goes out of business is mathematically represented as below according to Bayes theorem


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Generally the new probability of companies C being chosen as the sole supplier this year given that supplier E goes out of business is mathematically represented as below according to Bayes theorem


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Generally the new probability of companies D being chosen as the sole supplier this year given that supplier E goes out of business is mathematically represented as below according to Bayes theorem


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Generally the probability that B, D , E are not chosen this year is mathematically represented as
![P(N) = 1 - [P(e) +P(b) + P(d) ]](https://tex.z-dn.net/?f=P%28N%29%20%3D%20%201%20-%20%5BP%28e%29%20%2BP%28b%29%20%2B%20P%28d%29%20%5D)
=> ![P(N) = 1 - [0.10 +0.25 +0.30 ]](https://tex.z-dn.net/?f=P%28N%29%20%3D%20%201%20-%20%5B0.10%20%2B0.25%20%20%2B0.30%20%5D)
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Generally the probability that A is chosen given that E , D , B are rejected this year is mathematically represented as

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Answer:
-40
Step-by-step explanation:
(-7)(5)-5=-35-5=-40
The correlation coefficient would not change when the units of one of the variable are different in the two cases.
Answer:
Option 4) 
Step-by-step explanation:
we know that
If two figures are similar then the ratio of its areas is equal to the scale factor squared
Let
z------> the scale factor
x-----> the area of the dilated rectangle
y----> the area of the original rectangle
so

we have


substitute and solve for x

