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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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The table shows a company’s profit based on the number of pounds of food produced.
Bingel [31]

Answer:

$5,300

Step-by-step explanation:

Formulae used,

a=\dfrac{(\sum x^2y\sum xx)-(\sum xy\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}

b=\dfrac{(\sum xy\sum x^2x^2)-(\sum x^2y\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}

c=\dfrac{\sum y}{n}-b\frac{\sum x}{n}-a\frac{\sum x^2}{n}

Where,

\sum xx=\sum x^2-\dfrac{(\sum x)^2}{n}

\sum xy=\sum xy-\dfrac{\sum x\sum y}{n}

\sum xx^2=\sum x^3-\dfrac{\sum x\sum x^2}{n}

\sum x^2y=\sum x^2y-\dfrac{\sum x^2\sum y}{n}

\sum x^2x^2=\sum x^4-\dfrac{(\sum x^2)^2}{n}

Putting the values from the table, we get the best fit line as,

y= -0.0817x^2 + 102.24x - 20421

As we want to calculate the profit at 350 pounds, so putting x=350, we get

y= -0.0817(350)^2 + 102.24(350) - 20421=\$5354.75


5 0
3 years ago
Read 2 more answers
Mr. Harris is packaging items to give to his students. He has 48 pencils and 30 notebooks. He wants each package to contain the
guapka [62]

Answer:

The maximum number of packages that can be made  with each package have same number of each item is = 6

Step-by-step explanation:

Given:

Mr. Harris has 48 pencils and 30 notebooks.

To find the number of packages he can make with each package have same number of each item.

Solution:

Number of pencils = 48

Number of notebooks = 30

In order to find the number of packages he can make with each package have same number of each item, we will find the greatest common factor of the given numbers.

<em>To find the G.C.F., we will list down the prime factors of each.</em>

48=2\times 2\times 2\times 2\times 3

30=2\times 3\times 5

We find that the G.C.F. = 2\times 3 = 6

Thus, the maximum number of packages that can be made  with each package have same number of each item is = 6

4 0
3 years ago
What is the standard form for four million two hundred sixteen thousand nintety
lorasvet [3.4K]
The standard form is 4,216,090.
8 0
3 years ago
If bisects the angle AYX , then YXZ YAZ.
Sladkaya [172]
When a line is bisected, it is divided into two congruent sides. Because triangle AYX is bisected, it is divided into two congruent sides, which are represented by Triangle YXZ and Triangle YAZ

So the answer is True
5 0
3 years ago
Read 2 more answers
Will give brainliest answer
Aleksandr-060686 [28]

Answer:

x=8

Step-by-step explanation:

CBA=DAB=42(Alternate angle)

x+CAB+DAB=180(Straight line)

x+130+42=180

x=180-42-130

x=8

8 0
4 years ago
Read 2 more answers
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