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Colt1911 [192]
1 year ago
11

In a survey of 200 people, 37% had a son, 31% had a daughter, and 23% had both a son and a daughter. What is the conditional pro

bability that a person who has a son also has a daughter? Round to the nearest whole number.
Mathematics
2 answers:
e-lub [12.9K]1 year ago
7 0

Answer: The conditional probability that a person who has a son also has a daughter is 62%.

Step-by-step explanation:

Since we have given that

Total number of people = 200

Let A be the event having son.

Let B be the event having daughter.

P(A) = 37%

P(B) = 31%

P(A∩B) = 23%

We would use "Conditional Probability" in which we have given that he has a son, and he now also has a daughter.

P(B\mid A)=\dfrac{P(A\cap B)}{P(A)}\\\\P(B\mid A)=\dfrac{23}{37}\\\\P(B\mid A)=0.62\\\\P(B\mid A)=62\%

Hence, the conditional probability that a person who has a son also has a daughter is 62%.

BaLLatris [955]1 year ago
5 0
About 46 people because that is 23% of 200
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Fofino [41]

Answer:

The dimensions of the two different rectangular regions are;

1st Arrangement:

W = 4 yards and L = 5 yards or W = 5 yards and L = 4 yards

2nd Arrangement:

W = 2 yards and L = 10 yards or W = 10 yards and L = 2 yards

The perimeter of the two different rectangular regions are;

1st Arrangement:

P₁ = 18 yards

2nd Arrangement:

P₂ = 24 yards

Step-by-step explanation:

Bella is putting down patches of sod to start a new lawn.

She has 20 square yards of sod.

We are asked to provide the dimensions of two different rectangular regions that she can cover with the sod.

Recall that a rectangle has an area given by

Area = W*L

Where W is the width of the rectangle and and L is the length of the rectangle.

Since Bella has 20 square yards of sod,

20 = W*L

There are more than two such possible rectangular arrangements.

Out of them, two different possible arrangements are;

1st Arrangement:

20 = (4)*(5) = (5)*(4)

Width is 4 yards and length is 5 yards or width is 5 yards and length is 4 yards

2nd Arrangement:

20 = (2)*(10) = (10)*(2)

Width is 2 yards and length is 10 yards or width is 10 yards and length is 2 yards

Therefore, the dimensions of two  different rectangular regions are;

1st Arrangement:

W = 4 yards and L = 5 yards or W = 5 yards and L = 4 yards

2nd Arrangement:

W = 2 yards and L = 10 yards or W = 10 yards and L = 2 yards

What is the perimeter of each region?

The perimeter of a rectangular shape is given by

P = 2(W + L)

Where W is the width of the rectangle and and L is the length of the rectangle.

The perimeter of the 1st arrangement is

P₁ = 2(4 + 5)

P₁ = 2(9)

P₁ = 18 yards

The perimeter of the 2nd arrangement is

P₂ = 2(2 + 10)

P₂ = 2(12)

P₂ = 24 yards

So the perimeter of the 1st arrangement is 18 yards and the perimeter of the 2nd arrangement is 24 yards.

Note:

Another possible arrangement is,

20 = (1)*(20) = (20)*(1)

Width is 1 yard and length is 20 yards or width is 20 yards and length is 1 yard.

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1 year ago
Carl wants to find the product 30×56 . Which of the following best explains how he can find the product mentally?A.He knows that
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Answer:

He knows that 30÷5 is 6. He then multiplies 6 by 6 to get 36

Step-by-step explanation:

A is option is the best approach for him to find the answer.

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2 years ago
Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan’s father and paternal grandfather were all
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Let events
A=Nathan has allergy
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We are given
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substitute known values,
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Hope this helps!!
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Round to the nearest benchmark fraction 5/9
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