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Andre45 [30]
3 years ago
13

Mr. and Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 42%.

If they have five children, what is the probability that at least two of their five children will have that trait? Round your answer to the nearest thousandth.
ANSWER IS 0.697
Mathematics
1 answer:
Zinaida [17]3 years ago
5 0

Answer:

answer is 0.697 !

Step-by-step explanation:

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A new operation is defined by a△b=a^2-b/b-a^2. 4△3.
dmitriy555 [2]

As the new mathematical operation is defined by a△b=a^2-b/b-a^2, the value of 4△3 using the same operation will be 4△3 = -1

As per the question statement, we are given a new mathematical operation a△b=a^2-b/b-a^2 and we are supposed to find the value of 4△3 using the same operation.

Given, a△b=a^2-b/b-a^2

now 4△3 = (4^2-3) / (3-4^2)  

4△3 = (16-3) / (3-16)        

4△3 = 13 / -13  

4△3 = -1

Hence, as the new mathematical operation is defined by a△b=a^2-b/b-a^2, the value of 4△3 using the same operation will be 4△3 = -1.

  • Mathematical operation: An operator in mathematics is often a mapping or function that transforms components of one space into elements of another.

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8 0
1 year ago
Which like on the graph represents the equation y+4=-2x/3?
Amanda [17]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
What's the distance between 178 and -395
Svet_ta [14]
178 - (-395)

178 + 395 = 573

the distance between -395 and 178 is 573

hope this helps
4 0
3 years ago
Y+4=2 what is the answer for y
stepladder [879]

Answer:

y = -2

Step-by-step explanation:

y + 4 = 2

y = 2 - 4

y = -2

8 0
3 years ago
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A refrigerator costs $580 a year to run. A family purchases a new one for $1200 that will save them 22% annually in energy costs
NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

22% of $580

= 580 × 0.22

= 127.6

That is, it saved then $127.6 per year.

Now,

$1200/127.6

≈ 9.4

Which means, it will take 9 years and 4 months for the refrigerator to pay for itself.

7 0
3 years ago
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