a woman is expecting triplets. what is the probability that there are 2 girls and 1 boy? what is the probability that all 3 babies are girls

Answers

Answer 1
Answer: let the boy be B and the girl be G
there are six possible outcomes 
BGG, GBB, GBG, BGB, BBB, and GGG
therefore the probability of getting one boy and two girls is (1)/(6)
also the probability of getting 3 girls is (1)/(6)

Answer 2
Answer: There are 2 possibilities for EACH child so there are 8 possible outcomes all together and they are:
B B B
G B B
B G B
B B G
G G G
B G G
G B G
G G B
Two girls and 1 boy odds probability = 3/8 (Those are the last 3 listed).
All 3 girls probability = 1/8



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don completes the square for the function y=x^2+6x+3. which of the following function reveals the vertex of the parabola?

Answers

x^2+6x+3=y
x^2+6x+9=-3+9
(x+3)^2=6
(-6/2)=-3
(-3)^2+6(-3)+9=6
9-18+9=6
y=-6

Helloooo any help :( ?

Answers

Answer:

1/2p+2=3 1/2

Step-by-step explanation:

Answer:

\frac12p+2 = 3\frac12

Step-by-step explanation:

The time he spends is the sum of the mandatory 2 hours and p times the half hour per puzzle. It has to end up to 3 1/2, so that's how you get the equation.

Of course, you can solve it as

p = (1\frac12)/(\frac12) = 3

In a poll given by the magazine Literary Digest in 1936, presidential candidate Alf Landon received 16,679,583 votes. Determine whether the data value is from a discrete or continuous data set.A.
It is from a discrete data set because the set has infinitely many possible values.

B.
It is from a discrete data set because the number represents a count.

C.
It is from a continuous data set because the set has infinitely many possible values.

D.
It is from a continuous data set because the number represents a count.

Answers

B.

It is from a discrete data set because the number represents a count.

------------

This question is solved classifying a variable as discrete or continuous.

  • Discrete variable: Also known as countable, cannot be represented by decimal numbers.
  • Continuous variable: Can be represented by decimal values.

------------

In this question, the variable is the number of votes.

The number of votes represent a count, that is, a candidate can have 0, 1, a thousand, ... votes, that is, the number of votes cannot be decimal, thus, it is a discrete variable, and thus, the correct option is:

B.

It is from a discrete data set because the number represents a count.

A similar question is found at brainly.com/question/14773062

B. Discrete because count

John and 2 friends are going out for pizza for lunch. They split one pizza and 3 large drinks. The pizza cost $14.00. After using a $7.00 gift certificate, they spend a total of $12.10. Write an equation to model this situation, and find the cost of one large drink.A. 3d + $14.00 – $7.00 = $12.10; $1.90

B. 3d – $14.00 + $7.00 = $12.10; $9.55

C. 3d + $14.00 – $7.00 = $12.10; $1.70

D. 2d + $14.00 – $7.00 = $12.10; $2.55

Answers

Answer:

The equation to model this situation is  3d + $14.00 – $7.00 = $12.10 and the cost of one large drink is $1.7 .

Option (C) is correct .

Step-by-step explanation:

As given

John and 2 friends are going out for pizza for lunch.

They split one pizza and 3 large drinks. The pizza cost $14.00. After using a $7.00 gift certificate, they spend a total of $12.10.

let us assume that the numbers of large drinks are represented by d .

Than the equation becomes

Total money spend = Number of drinks × d + Pizza cost  - Gift certificate amount .

Putting all the values in the above

12.10 = 3d + 14.00 - 7.00

Simplify the aboves

12.10 = 3d + 14 - 7

12.10 = 3d + 7

12.10 - 7 = 3d

5.1 = 3d

d = (5.1)/(3)

d = $ 1.7

Therefore the equation to model this situation is  3d + $14.00 – $7.00 = $12.10 and the cost of one large drink is $1.7 .

Option (C) is correct .

Its no D because you need to divide by 3 not 2. Your answer should be C.

Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and thenchoose again. Find P(red and blue).
A. 4/3
B. 2/3
C. 7/9
D. 4/27

Answers

Your probality would be C. 7/9

How many times can 4500 go into 5 ?

Answers

since we have 2 zeros we can take them off and add them back on when we are done.

5 goes into 45 9 times.

now lets add the two zeros back on

900

5 goes into 4500 900 times
   
                                                    

1 way

(4500)/(5) = (45* 100)/(5) = (9 * 100)/(1) = 900 
.........................................................................................................

2 way
share writing

         900
-----------------
      4500   : 5
    - 45
   ----------
      -- 0
         0
        -----
           0
           0
         -----
  ....................................
3 way

4500 = 4000 + 500

we share thousands (4 * 1000)
4000 : 5 = 800

we divide hundreds ( 5 * 100)
500 : 5 = 100

add quotients
800 + 100 = 900