How long is 9.3 hours

Mathematics

2 answers:

Nutka1998 [239]2 years ago

7 0

$9 \: hours \: 18 \: minutes$

pashok25 [27]3 years ago

6 0

Answer: (edit) 558 minutes

Step-by-step explanation: What do you mean how long? In seconds or...

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Seven pounds of grapes cost $ 10.43 how much would 3 pounds cost

weeeeeb [17]

94. 7 pounds of grapes costs 10.43 dollars. Now, solve for the costs of 3 pounds of grapes. There are different ways to solve this kind of situation. For my end, I will be showing the solution that I think is easier. => 7 pounds = 10.43 dollars. Find the unit rate first => 10.43 dollars / 7 = 1.49 dollars per pounds. Now, solve for the cost of 3 pounds => 1.49 * 3 = 4.47 dollars is the costs of 3 pounds of grapes.

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4 years ago

Which expression is equivalent to 16 * 3?

finlep [7]

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4 years ago

There has been a great deal of controversy over the last several years regarding what types of surveillance are appropriate to p

alexira [117]

Answer:

Given that a person was identified as a future terrorist, there is a 2.8544% probability that he/she actually is a future terrorist.

Step-by-step explanation:

There are 1000 future terrorists in a population of 300,000,000. So the probability that a randomly selected person in this population is a terrorist is:

$P = \frac{1,000}{300,000,000} = 0.000003 = 0.0003%$

So, we have these following probabilities:

A 99.9997% probability that a randomly chosen person is not a terrorist.

A 0.0003% probability that a randomly chosen person is a terrorist.

A 98% probability that a future terrorist is correctly identified

A 99.9% chance of correctly identifying someone who is not a future terrorist. This also means that there is a 0.01% probability of someone who is not a terrorist being identified as one.

This can be formulated as the following problem:

What is the probability of B happening, knowing that A has happened.

It can be calculated by the following formula

$P = \frac{P(B).P(A/B)}{P(A)}$

Where P(B) is the probability of B happening, P(A/B) is the probability of A happening knowing that B happened and P(A) is the probability of A happening.

Here we have:

What is the probability that the person is a terrorist, given that she was identified as a terrorist.

P(B) is the probability that the person is a terrorist. So $P(B) = 0.000003$

P(A/B) is the probability that the person was identified as a terrorist, given that she is a terrorist. The problem states that the system has a 98% chance of correctly identifying a future terrorist, so $P(A/B) = 0.98$