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saw5 [17]
3 years ago
15

If two events are complementary, then we know that: Multiple Choice the sum of their probabilities is one. the joint probability

of the two events is one. their intersection has a nonzero probability. they are independent events.
Mathematics
1 answer:
notka56 [123]3 years ago
3 0

Answer:

The joint probability of the two events is one.

Step-by-step explanation:

Complementary events:

If two events are complimentary, these three following things are true:

They are dependent.

The intersection of them is zero.

The joint probability of the two events is one.

The last one is the correct choice.

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Answer:

It is the experimental condition.

Step-by-step explanation:

In the experiment given in the question, the amount of sleep is the independent variable and the number of photographs they remember is the dependent variable because it depends on the amount of sleep.

The 8 hours of sleep, which creates the difference in the experiment between the control group and the test group, is the experimental condition.

The experimental condition is the variable that is changed to let the researcher observe the effects on the dependent variable.

I hope this answer helps.

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3 years ago
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A student guesses on every question of a multiple choice test that has 8 questions
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Ok? Where’s the rest of the question.
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HELP!! 30 POINTS AND WILL MARK BRAINLIEST One month, Henry's grandfather gives him a box of 523 baseball cards. Each month, star
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Answer:

nth term =  523 + 24(n - 1

Step-by-step explanation:

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4 0
3 years ago
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Please help soon! Thanks! Solve for x
spin [16.1K]

Answer:

x=27\degree

Step-by-step explanation:

\because AC || DE.... (given)

\therefore m\angle CAD= m\angle EDF\\ (corresponding \: \angle s)

\therefore m\angle BAD= m\angle EDF\\(\because B\in \overleftrightarrow{AC})

\therefore m\angle BAD= 2x\\(\because m\angle EDF=2x)

In\:\triangle BAD,

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2x+2x+72\degree = 180\degree

4x= 180\degree -72\degree

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2 years ago
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