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Pachacha [2.7K]
2 years ago
12

14/35 as a equivalent fraction

Mathematics
1 answer:
almond37 [142]2 years ago
3 0

Answer: 2/5 because I divided by 7/7 to get an equivalent fraction

Step-by-step explanation:

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Blood type AB is the rarest blood type, occurring in only 4% of the population in the United States. In Australia, only 1.5% of
Naddik [55]

Answer:

There is a 27.62% probability that exactly 2 of the U.S. residents have blood type AB.

Step-by-step explanation:

For each U.S. resident, there are only two outcomes possible. Either they have blood type AB, or they do not. This means that we can solve this problem using binomial probability distribution concepts.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.\pi^{x}.(1-\pi)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And \pi is the probability of X happening.

In this problem, we have that:

50 U.S residents are sampled, so n = 50

4% of the U.S population has blood type AB, so p = 0.04.

What is the probability that exactly 2 of the U.S. residents have blood type AB?

This is P(X = 2). So:

P(X = x) = C_{n,x}.\pi^{x}.(1-\pi)^{n-x}

P(X = 2) = C_{50,2}.(0.04)^{2}.(0.96)^{48} = 0.2762

There is a 27.62% probability that exactly 2 of the U.S. residents have blood type AB.

5 0
3 years ago
A tree that is 5 feet tall is growing at a rate of 1 foot per year. A 6 foot tall tree is growing at a rate of 0.5 foot per year
vovangra [49]

Both trees would be the same in 2 years at 7 feet.

Hope this helps.

8 0
3 years ago
Read 2 more answers
george wanted to measure the angle of a waterslide at the lake .he used a sheet of folded paper that formed 20 degree angle. he
evablogger [386]

Answer:

It's not clear on what it means but the information given it would just be 20*3=60

Step-by-step explanation:

4 0
3 years ago
Asking easy questions so people can get points / will mark as brainliest (answer must be right)
baherus [9]
The answer to your question is 45 ✌️
8 0
3 years ago
N:2 = 15/5 solve it for n<br><br>​
telo118 [61]

Step-by-step explanation:

N:2 = 15:5

N\2 = 15\ 5

Now cross multiply,

5N = 30

N = 6

5 0
2 years ago
Read 2 more answers
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