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olga_2 [115]
3 years ago
10

HELPPPPP!!!!!!!!!!!!

Mathematics
2 answers:
zaharov [31]3 years ago
6 0

Answer:

C

Question:

can i get brainlyist.

Mumz [18]3 years ago
3 0
The answers C haha the way you called for help is funny
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NEED HELP ASAP PLS
harina [27]

Answer:

2/1 or 2overrun

Step-by-step explanation:

You can see that the rais/run for C to D is 2/1. So that would be the slope.

5 0
3 years ago
You look good today, and don’t let people tell you other wise (:
Tamiku [17]

Answer:

Thank You. Have a wonderful day

Step-by-step explanation:

5 0
3 years ago
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
There are 16 boys and 18 girls in a grade 6 math class . write the ratio of girls to boys in words as simply as possible
dimulka [17.4K]

Answer:

8:9 = eight to nine

Step-by-step explanation:

16:18 - divide each by 2 in order to simplify

= 8:9

3 0
3 years ago
Can you help me with this please?
N76 [4]
Use a calculator and divide
8 0
3 years ago
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