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frutty [35]
3 years ago
14

What is the probability that a couple will have a girl a boy a girl and a boy in this specific order?

Mathematics
1 answer:
olga_2 [115]3 years ago
3 0
P(boy)=1/2
P(girl)=1/2
P(a girl, a boy , a girl and a boy)=1/2*1/2*1/2*1/2= 1/16
P(2 boys and 2 girls ) = 1/[4!/(2!*2!)] =1/6

hope this helps u

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Norma-Jean [14]
Your answer is 8 to 26



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here are the 3 ways to write the ratio:

8 to 26 8:26 8/26
3 0
3 years ago
Out of seniors at a local high school, 60% went on the senior trip. At the hotel , one room was reserved for every 4 students .
sweet [91]

Answer:

<u>Number of rooms reserved for the students are - 90 .</u>

Step-by-step explanation:

Firstly ,

As we know 60% of the 600 students went on the trip,

Then ,

Number of students went on the trip = 60% of 600

                                                          = \frac{60}{100}\times600

                                                        = 360

Now ,

Given - One room is reserved  for 4 students ,

Therefore , Number of rooms for 360 students = \frac{360}{4}

                                                                             = 90

<u>Hence , the answer is  90 rooms reserved for the students.</u>

7 0
3 years ago
Holly says 4.131131113... is a rational number. Which of the following best describes whether Holly is correct and why?? a.Holly
Leni [432]

Answer:

A. Holly is correct. Repeating decimals are always rational numbers.

Step-by-step explanation:

Rational number is the subset of:

  • Whole number (Positive integer + 0)
  • Natural number
  • Negative integers
  • Fractions
  • Decimals (Whether positive or not, whether terminating or non terminating)

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7 0
3 years ago
Read 2 more answers
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yanalaym [24]

Answer:

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Step-by-step explanation:

(9 7/8)/(3 2/5) = (79/8)/(17/5) = (79/8)(5/17) = 395/136

Since 9 7/8 is larger than 3 2/5, it is an improper fraction.

5 0
3 years ago
Help please !!!! I need this I don’t need a detailed explanation
natta225 [31]
Answer:


The answer is C, -6/5
7 0
3 years ago
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