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MAVERICK [17]
2 years ago
14

A chess board is an 8 by 8 grid of squares. If you randomly choose 3 squares on the board, what is the probability that:

Mathematics
1 answer:
bixtya [17]2 years ago
3 0
The answer is the letter B
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3 years ago
An insurance company has 10,000 automobile policyholders. The expected yearly claim per policyholder is $240, with a standard de
elena55 [62]

Answer:

almost 0%

Step-by-step explanation:

Given that for an insurance company with 10000 automobile policy holders, the expected yearly claim per policyholder is $240 with a standard deaviation of 800

using normal approximation, the probability that the total yearly claim exceeds $2.7 million is calculated as follows:

Sea sumatoria de x = SUMX, tenemos que:

P (SUMX \geq 2700000) = P(\frac{SUMX - 240*10000}{800 *\sqrt{10000} } \geq \frac{2700000 - 240*10000}{800 *\sqrt{10000} })

= P (z\geq \frac{2700000 - 240*10000}{800 *\sqrt{10000}})

= P (z => 3.75)

= 1 - P ( z < 3.75)

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3 years ago
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Mnenie [13.5K]
They are all circles
8 0
3 years ago
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Answer:

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or, x = 210 ÷ 7

or, x = 30

8 0
2 years ago
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