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avanturin [10]
4 years ago
8

Can u slove this plz​

Mathematics
1 answer:
lord [1]4 years ago
6 0

Answer:

Reflexive property of equality. This property states that a=a

This question is stating that the m<1 = m<1

Therefore this is the reflexive property of equality

Step-by-step explanation:

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The length of a rectangle is 4 units more than its width. the area of the rectangle is 25 more than 4 times the width. what is t
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Read 2 more answers
What is the score if total question is 85 and correct is 68?
kiruha [24]
You can find percentages like this by taking the total number of questions dividing it by 100 to find out how much each question was worth, then multiplying by the number correct.

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So, the score was 80%.
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3 years ago
Find |-22| = <br> Pls show your work
Oliga [24]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
In the New York State number lottery, you pay $1 and pick a number from 000-999. If your number comes up, you win $500, which is
slava [35]

Answer:

Expected value of profit is ≅ $15.80

Step-by-step explanation:

from the Question,

Let the variable X represents the expected value of profit. X is called as random variable because picking a number from 000-999 digits is a Random process.

P(win) = 0.001

So, P(lose) = 1-0.001=0.999

Suppose that,

we really want to win this lottery. so we can go to the store and spend $1000 to buy all ticket (from 000 - 999). This would ensure your winning of $500 with one of the tickets (for a $499 profit), but the other 999 would be  losers (for a $999 loss).

What would be your average winnings on a per-ticket basis?

               u = E(x) =∑x\times P(x)

                  = 499\times0.0001+ (-1)\times0.999

                  = -0.50

Here,

Standard deviation of the expected winnings

           V (X) =  ∑(x-u)^{2} \times P(x)

                     =   ∑ (499-(-0.50))^{2} \times 0.001 + (-1-(-0.50))^{2} \times 0.999

                     = 249.75

Taking square root of the variance to get the standard deviation:

               SD(x) = \sqrt{249.75}

                        ≅ $15.80

Hence

The expected value of profit is ≅ $15.80

6 0
3 years ago
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