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Alik [6]
4 years ago
5

Study the image. Which feature is modeled in the diagram? Select two options.

Biology
1 answer:
Tema [17]4 years ago
6 0

Answer:

can you take a picture so we can see

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The southern hemisphere

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Photosynthesis involves the transformation of light energy into what type of energy?
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The smallest functional unit of matter: Atoms

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What is the difference between scientific theory and law?
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A couple plans to have children until they get a boy, but they agree that they will not have more than four children even if all
DiKsa [7]

Answer:

1.875  is the expected number of children the couple will have.

Explanation:

<em>The probability of an event </em><em>X</em><em> is denoted by </em><em>P(X)</em><em>.</em>

Let assume that X is the number of children to whom the couple will give birth. The couple can have at most <em>four children</em> with the following probabilities.

  • The couple will have one child if the first is boy, thus:

For one child P(X)=1/2=0.50

  • The couple will have two children if the first is girl and the second is a boy, thus:

For two children P(X)=0.5×0.5=0.25

  • The couple will have three children if the first two are girls and the third is a boy, thus:

For three children P(X)= 0.5×0.5×0.5=0.125

  • The couple will have four children if the first three are girls and the fourth is a boy, or if all the four are girls. thus:

For four children P(X) =(0.5×0.5×0.5×0.5)+(0.5×0.5×0.5×0.5)=0.125

<u>Now calculating the expected number of  children the couple will have:</u>

NOTE: Formula is given in the attached pic

Expected number of children = E(X)= (1×0.50)+(2×0.25)+(3×0.125)+(4×0.125)

E(X)= 1.875

5 0
3 years ago
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