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liberstina [14]
3 years ago
6

Do any of you know any written answers to the Probability Unit Test for 7th grade? I need a little help!

Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0

All tests across the world are different even if they're the same subject and stuff. I think it's easier for you to study, so if you have any questions about them please post them on Brainly!

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In a hospital ward, there are 10 nurses and 6 doctors. 4 of the nurses and 3 of the doctors are male. If a person is randomly se
Degger [83]
Sample space is (3FD , 3MD, 4MN, 6FN) 
   
where F=female M= male N=Nurse D=doctor)

so P(doctor or female ) =   (3+3+6) / 16  = 12/16 answer

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4 0
3 years ago
Which statements about geometric sequences are true?
finlep [7]

Answer:

Geometric sequences have a common ratio between terms.  TRUE

Geometric sequences are restricted to the domain of natural numbers.  FALSE

Geometric sequences can have a first term of 0.  FALSE.  If this were true, then every member the sequence would also be 0.

Step-by-step explanation:

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3 years ago
Solve for the variables x and y in the matrix
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2 years ago
Two discs are randomly taken without replacement from a bag containing 3 red discs and 2 blue discs. What is the probability of
borishaifa [10]

Answer:

3/10

Step-by-step explanation:

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P(red disc on first pick ) = 3/5

Assuming that a red disc has been picked the first time, there will be 2 red discs and 2 blue discs so

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P(red disc on both picks) = 3/5 x 2/4 = 3/10

7 0
1 year ago
A particular sound wave can be graphed using the function y = 1 sin 2x y = 1 sin 2 x . Find the amplitude of the function.
alexira [117]

<u>Answer</u>

1

<u>Explanation</u>

The general equation of a wave is ;

y = a sin(kX+Ф)

Where a represent the amplitude, 360/k represent the period of the wave and Ф represent the phase angle.

∴ In the equation y = 1 sin 2x,

Amplitude = 1

4 0
3 years ago
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