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____ [38]
3 years ago
6

two friends are taking an English class that has a monthly reading list once a student chooses a book from the list no other stu

dent can choose that book if there are three mystery and four romance books left what is the probability that both friend randomly selected romance book one after the other?
Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

Answer:

i think 2/7.

I dont know sorry........

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Correct answer will be marked as brainliest
beks73 [17]

Answer:

h=9cm

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h^2=p^2+b^2

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masya89 [10]

Step-by-step explanation:

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3 years ago
An elevator has a placard stating that the maximum capacity is 1610 lb---10 passengers.​ So, 10 adult male passengers can have a
Yuri [45]

Answer:

The probability is "0.6406", this elevator isn't appear to be​ safe

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The given values are:

Mean,

\mu=165

Standard deviation,

\sigma=35

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n = 10

Now,

⇒ z=\frac{161-165}{\frac{\sigma}{\sqrt{10} } }

      =\frac{161-165}{\frac{35}{\sqrt{10} } }

hence,

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= P(\bar {x}>161)

= P(z > -0.3614)

= 0.6406

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svetlana [45]

The Answer would be 4x= 75+25 4x= 100 x= 100/4 x=25

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4 years ago
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