I. do these situations involve bernoulli trials? explain.

1 answer:

6 0

<span>B. We can use Bernoulli trials to find how likely is that the majority of a group of 120 people have type A blood, given that 43% of people have type A blood. There are two possible outcomes (a person eithr has Tpe A blood or does not), there is a constant probability of success (43% of people have Type A blood), and the trials are independent (wether each person has Type A blood does not depend wether others have Type A blood).</span>

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jabu left town A to travel to town B at 6:00 a.m. he drove at an average speed of 80km/h. At 8.30a.m. Sipho left town A to trave

7nadin3 [17]

Answer:

Sipho catches up Jabu at 6:30 pm

Step-by-step explanation:

Jabu left town A to travel to town B at 6:00 a.m. he drove at an average speed of 80km/h.

At 8:30 am, when Sipho leaves, we will have traveled 2.5 hours at 80 km/h, so he will be 80*2.5 = 200 km ahead.

From then, his position will be given by:

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Sipho left town A to travel to town B. He drove at an average speed of 100 km/h.

His position will be given by:

$S(t) = 100t$

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He will catch up in t hours, and t is found when:

$S(t) = J(t)$

$100t = 200 + 80t$

$20t = 200$

$t = \frac{200}{20} = 10$

He will catch up 10 hours after 8:30 am, that is, 6:30 pm.

Sipho catches up Jabu at 6:30 pm

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Answer:

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Step-by-step explanation:

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