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Travka [436]
3 years ago
15

HELP!!I NEED IT RIGHT NOWWWW

Mathematics
1 answer:
zhenek [66]3 years ago
4 0

Answer:

2  3   5

Step-by-step explanation:

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In the Health ABC Study, 543 subjects owned a pet and 1977 subjects did not. Among the pet owners, there were 293 women; 975 of
True [87]

Answer:

The proportion of pet owners who were women is 0.540.

The proportion of non-pet owners who were women is 0.493.

Step-by-step explanation:

The data provided is summarized in the table below.

               Pet Owners      Non-Pet Owners    TOTAL

Men              250                       1002                1252

Women         293                        975                1268

TOTAL          543                       1977                2520

Denote the events as follows:

<em>W</em> = a subject is a women

<em>P</em> = a subject is a pet owner

The probability of an event, say E, is defined as the ration of the favorable outcomes of <em>E</em> to the the total number of outcomes of the experiment.

P (E) = n (E) ÷ N

Here,

n (E) = favorable outcome

N = total number of outcomes

(1)

The conditional probability of an event <em>B</em> given that another events <em>A</em> has already occurred is:

P (B | A) = n (A ∩ B) ÷ n (A)

Compute the probability of a pet owner being a women as follows:

P (W | P) = n (W ∩ P) ÷ n (P)

              = 975 ÷ 1977

              = 0.5396

              ≈ 0.540

Thus, the proportion of pet owners who were women is 0.540.

(2)

Compute the probability of a non-pet owner being a women as follows:

P (W | P') = n (W ∩ P') ÷ n (P')

              = 293 ÷ 543

              = 0.4932

              ≈ 0.493

Thus, the proportion of non-pet owners who were women is 0.493.

8 0
3 years ago
If f (x) = 3 [X-2] what is f(4.7) answer​
Ipatiy [6.2K]

Answer:

6

Step-by-step explanation:

[x-2]=[4.7-2]=[2.7]=2

f(4.7)=3*2=6

7 0
3 years ago
I need help Someone please help me!!
Zanzabum
2. The area for a circle is as follows:
A = π{r^2}

The radius of the circle is 4 in, so we plug that into the equation.

A = π (4{in.^2})

4 {in.^2} = (4 in.)(4 in.) = 16 {in.^2}

A = 16π {in.^2}

This is the area for the whole pizza, so divide that by 2 to get the area of the pepperoni

a) 8π {in.^2}

For the bacon, we can just divide the value we already have by 2, since it is half the area of the pepperoni

b) 4π {in.^2}

3. This question is asking for the circumference, whose equation is as follows:
C = 2 π r

We can use the area formula, A = π{r^2} to find the radius of this circle
36π = π{r^2}

Divide both sides by π:
36 = {r^2}

Square root both sides:
r = 6 in.

Plug in this value to the circumference formula, C = 2 π r
C = (2)(π)(6 in.)

Your final answer is:
C = 12π in.
3 0
4 years ago
Why do we need to rename 4 1/4 when subtracting by 3/4?
aivan3 [116]
Because you can't do it.

And I think your teacher means turn it into a improper fraction
8 0
3 years ago
Read 2 more answers
In a market a $50 dress is marked. It says "Save 25%." What is the discount? What is the sale price of the dress?
ehidna [41]

Answer:

$ 37.5

Step-by-step explanation:

It is given :

Price of the dress in the market = $ 50

The shopkeeper a discount percentage = 25%

Therefore the discount amount is = 25 % of 250

                                                         $=\frac{25}{100}\times 50$

                                                         = 12.5

Therefore the sale price of the dress is =  50 - 12.5

                                                                  = 37.5

Therefore the sale price is $ 37.5

5 0
3 years ago
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