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2 years ago

It takes 2 hours to drive 100 miles, at this rate how long does it take to drive 50 miles?

Mathematics

2 answers:

tino4ka555 [31]2 years ago

4 0

Answer:

1 hour

Step-by-step explanation:

andrew-mc [135]2 years ago

4 0

1 hour. (answer)

As driving 100 miles takes 2 hours, 50
hours will take 1 hour to drive.

This is because 50 is half of 100. Therefore, what is half of 2? 1!
(1+1=2)

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A study by a reputable research organization found that when presented with prints from the same individual, a fingerprint expe

Llana [10]

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a. 0.6899

b. 0.1642

Step-by-step explanation:

a. Given the probability of success is 0.94 for an expert and that the number of pairs, n=6:

-Each attempt is independent and therefore the probability of the events is calculated as:

$P(A \ and \B )=P(A)\times P(B)\\\\P(6)=0.94\times0.94\times0.94\times0.94\times0.94\times0.94\\\\=0.6899$

Hence, the probability of correctly identifying the 6 matches is 0.6899

b.Given the probability of success is 0.74 for a novice and that the number of pairs, n=6:

-Each attempt is independent and therefore the probability of the events is calculated as:

$P(A \ and \B )=P(A)\times P(B)\\\\P(6)=0.74\times0.74\times0.74\times0.74\times0.74\times0.74\\\\=0.1642$

#Hence, the probability of correctly identifying the 6 matches is 0.1642

*I have used the sample size of 6(due to conflicting info/question size).

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