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puteri [66]
3 years ago
8

The coordinate system

Mathematics
1 answer:
const2013 [10]3 years ago
5 0
That’s the definition of that is what you needed

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Suppose a couple planned to have three children. Let X be the number of girls the couple has.
sesenic [268]

Answer:

a) {GGG, GGB, GBG, BGG, BBG, BGB, GBB, BBB}

b) {0,1,2,3}

c)

P(X=2) = \dfrac{3}{8}

d)

P(\text{3 boys}) = \dfrac{1}{8}

Step-by-step explanation:

We are given the following in the question:

Suppose a couple planned to have three children. Let X be the number of girls the couple has.

a) possible arrangements of girls and boys

Sample space:

{GGG, GGB, GBG, BGG, BBG, BGB, GBB, BBB}

b) sample space for X

X is the number of girls couple has. Thus, X can take the values 0, 1, 2 and 3 that is 0 girls, 1 girl, 2 girls and three girls from three children.

Sample space: {0,1,2,3}

c) probability that X=2

P(X=2)

That is we have to compute the probability that couple has exactly two girls.

\text{Probability} = \displaystyle\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}

Favorable outcome: {GGB, GBG, BGG}

P(X=2) =\dfrac{3}{8}

d) probability that the couple have three boys.

Favorable outcome: {BBB}

P(BBB) = \dfrac{1}{8}

8 0
3 years ago
Which of the following is fartherest to the left on a number line 1/5, (0.1)to second power, 0.02
Alexxx [7]
1/5 is .2
.1^2 is .01
.02 is .02

So the furthest left  would be the smallest number, which in this case is 0.1^2
5 0
3 years ago
Miguel has 12 chocolate chip cookies, 6 lemon cookies and 17 strawberry cookies. Write a fraction that indicates how many cookie
Anon25 [30]

Answer:

<h2> 6/35</h2>

Step-by-step explanation:

This problem is on fraction

given data

chocolate chip cookies= 12

lemon cookies = 6

strawberry cookies= 17

the total cookies is = 12+6+17

=35 cookies

Therefore the fraction that indicates the lemon cookies is

=the number of lemon cookies/total cookies

=6/35

Hence the fraction lemon is 6/35

8 0
2 years ago
Nina is bouncing on a trampoline her fourth bounce is 6ft high each bounce afterwards is two thirds as high as the bounce before
V125BC [204]

Answer:

8/3ft

Step-by-step explanation:

To find how high she would bounce, we need to first understand that her height of each jump would be multiplied by 2/3 given that each bounce afterwards is two thirds as high as the bounce before.

We can then set the equation:

6 x 2/3 x 2/3

=6 x (2/3)^2

=8/3

Therefore the answer is 8/3 ft.

Hope it helps!

8 0
2 years ago
Find f(4).<br> f(x) = x2 + 2x - 3<br> A)<br> 5<br> B)<br> 11<br> 13<br> D)<br> 21<br> Elimina
grandymaker [24]

Answer:D

Step-by-step explanation:

you plug 4 in for x

f(4)=4^2+2(4)-3

=16+8-3

=24-3

=21

3 0
2 years ago
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