<span>Well think of this, Where as the use of fossil fuels would be less expensive immediately it will save them much more money down the road to purchase solar panels, due to the fact that fossil fuels must be burned to produce energy thus they must pay for all the coal, oil, petroleum, etc. to be supplied with energy that is non- reusable. Where as solar panels utilize the energy of the sun which is free and reusable, and never needs to be purchased.</span>
Israel is a parliamentary democracy consisting of legislative, executive and judicial branches. Its institutions are the presidency, the Knesset (parliament), the government (cabinet of ministers) and the judiciary. :)
Given:
62% of the residents visit Comet Mall.
73% of the residents visit Star Mall.
48% of the residents visit both malls.
To find:
The probability that a resident chosen at random shops at either Comet Mall or at Star Mall.
Solution:
Let A be the event that the residents visit Comet Mall and B be the event that residents visit Star Mall. Then, we have



We need to find the probability that a resident chosen at random shops at either Comet Mall or at Star Mall. It means, we have to find the value of
.
We know that,

On substituting the given values, we get


Therefore, the probability that a resident chosen at random shops at either Comet Mall or at Star Mall is 87%.