Step-by-step explanation:
option d is correct
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First we want to calculate exactly how much money Bernice sells on a daily basis, so we can determine how many days it'll take to earn 2,430 dollars. We can do this by multiplying the amount of shells she sells every day by the amount she sells them for. So 135 sea shells multiplied by 3 dollars.
<u>135 * 3</u>
This comes up to 405 dollars every day, quite a significant amount considering she's selling shells. Now, divide 2,430 dollars by 405 dollars. This will give us the final result.
<u>2,430 / 405</u>
It will take Bernice exactly 6 days to earn 2,430 dollars.
324904 = 300000 + 20000 + 4000 + 900 + 4
300000 = three hundred thousand
20000 = twenty thousand
4000 = four thousand
900 = nine hundred
4 = four
324904 = three hundred twenty-four thousand, nine hundred and four
Solution :
Let the distance of the stick from one break be X
And let us assume that .
Here, l = length of stick
Therefore,
We know that, , so by definition we get
The cumulative distribution function for R is
When it starts at zero, then r =0. It ends at one when the r has a maximum
value of one.
The probability density function is given by
Now integrating, we find E(R) and gives :
Therefore, Var(R)=
Answer:
what is the question?
Step-by-step explanation: