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AveGali [126]
3 years ago
10

Suppose you roll 100 dice. What are the odds that 25 or more of them come up "6"?

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

1/6

Step-by-step explanation:

The probability of an event happening k times in n trials if the probability of the event is called p is the binomial distribution probability:

P(k times in n trials) = (Ckn)pk(1-p)n-k   where the 1st term is the combination of n things k at a time or  

n!/(k!(n-k)!)

In this case n is 100, k is 25 and P = 1/6

Hope that helps.

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Which number is not a whole number ? A. 8. B. -10. C. 0. D.18/3
NARA [144]

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B. -10 its a negative number

3 0
2 years ago
Sofia cuts a piece of felt in the shape of a kite for an art project. The top two sides measure 20 cm each and the bottom two si
Phantasy [73]

x + y  = 24       where x and y are the 2 parts of diagonal Other diagonal wil be smaller that 24. 
x^2 + z^2 = 13^2
y^2 + z^2  = 20^2            where z  = 0.5 * length of smaller diagonal)

form last 2 equations

y^2 - x^2  = 20^2 - 13^2  =  231
 now y = 24-x so we have

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x =  7.1875

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z =  1.83

so smaller diagonal = 21.66 cm


looks like its the third choice.



5 0
3 years ago
What is 4(1 + 9x) simplified?
konstantin123 [22]

Answer:

4 + 36x is your expression

Step-by-step explanation:

4 x 1 = 4

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so 4 + 36x is your expression because you can't add numbers with different variables or if they don't even have one.

7 0
3 years ago
Read 2 more answers
I'm confused can someone help me
Dafna11 [192]

Answer: M∠2 just mean measure of angle 2,

Step-by-step explanation: So I worked it out and the awnser is B.

3 numbers/the degrees of all 3 sides always add up to 180 degrees.

Side 1 is 60 degrees and the left side is 20, so 20 + 60 + 3 (unkown    number) = 180

60 - 20 = 100,

8 0
2 years ago
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