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bezimeni [28]
3 years ago
10

In Janie's homeroom 54% of the students' families own a dog and 32% own a dog and a cat. What is the probability that a student'

s
family owns a cat if the family owns a dog?
​
Mathematics
1 answer:
pogonyaev3 years ago
6 0

Answer:

51,111%

Step-by-step explanation:

We know that 45% have a dog but no cat.  While 23% have both a dog and a cat.

Then Pr(X has cat|X has dog) = Pr(X has dog and cat)/Pr(X has dog)

= Pr(X has dog and cat)/Pr(X has dog) = 0.23/0.45 = 0.51 ≈ 51,111%

The probability that a student’s family owns a cat if the family owns a dog is 51,111%

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The perimeter of the figure to the right, made up of identical squares, is equal to 56 cm. What is the area of the figure?
Mamont248 [21]

The area of the square will be 196cm².

<h3>How to calculate the area?</h3>

It should be noted that the perimeter of a square is the addition of all its sides. Therefore, the length of the side will be:

= 56/4

= 14

Therefore, the area of the figure will be:

= 14²

= 14 × 14

= 196cm²

Learn more about area on:

brainly.com/question/25292087

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4 0
2 years ago
What is the predicted difference in sleep between individuals A and B, where individual A has 12 years of education and works 20
kari74 [83]

Answer: The predicted difference in sleep is 1251437 minutes.

Step-by-step explanation:

Since we have given that

Number of years of education = 12 years

Number of minutes a week = 2000

As we have

In case of individual A:

7 days = 2000 minutes

1 year = 365 days = \dfrac{2000}{7}\times 365=104285

12 years = 104285\times 12=1251420\ minutes

In case of individual B:

7 days = 3000 minutes

1 year = 365 days = \dfrac{3000}{7}\times 365=156428

16 years = 156428\times 16=2502857 minutes

So, the predicted difference in sleep between individuals A and B is given by

2502857-1251420\\\\=1251437\ minutes

Hence, the predicted difference in sleep is 1251437 minutes.

7 0
3 years ago
How to set up inequalities
melamori03 [73]
X=any number



x is( greater than sign) (and then a line at the bottom of the greater or less than sign) x

it would be like this
x is greater than or equal to x
or
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6 0
3 years ago
Part A: Use the computer output to determine the LSRL. Identify all the variables used in the equation. (3 points) Part B: What
gayaneshka [121]

Answer:

Follows are the solution to the given point:

Step-by-step explanation:

please find the correct question:

In choice a:

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Sales = -7.567857143 + 0.917857143 \times Makeup\  Videos.

Purchases of Cosmetics & Makeup Demo Clips are the factors used in the calculation.

In choice b:

The proportions of its variance of maquillage sales reveal by it's a linear relation to maquillage video tutorials is 99.53 \ \%.

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Because the vector Cosmetics Demonstration videos are critical with 5.11E-07 p-value, which is less than 0.05 andR^2 = 99.53. It may assume that increasing making-up purchases is attributed to tutorials for online makeup.

5 0
3 years ago
Rewrite 56+32 as the product of the GCF and a sum.
Vitek1552 [10]
56 = 2 x 2 x 2 x 732 = 2 x 2 x 2 x 2 x 2 
GCF = 2 x 2 x 2 =8
Rewrite 56+32 as the product of the GCF and a sum:
56 + 32 = 8  (7+4)
8 0
3 years ago
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