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borishaifa [10]
3 years ago
11

the relative frequency of a drawing pin falling pin up is 3/8. How many times would you expect it to fall pin up in 400 drops?

Mathematics
1 answer:
just olya [345]3 years ago
4 0
Not really sure if this is correct since I'm really bad at math, but I think it'll be 150 times. Hope this helped child :)
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\bold{\huge{\underline{ Solution }}}

<h3><u>Analysis </u><u>of </u><u>graph </u><u>:</u><u>-</u></h3>

We have given one graph which is plot between distance and time. where time is in minutes and distance is in seconds.

<u>According </u><u>to </u><u>the </u><u>graph </u>

  • For the first 5 minute ( O to A) , The distance is continously increasing 2m / per minute .
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  • For next 6 minute that is from 16 to 21 minutes ( D to E) . Again, There distance is increasing with time .
  • Again For next 4 minutes that is 21 to 25 minutes , they are moving with constant velocity .

<h3><u>Let's </u><u>Begin </u><u>:</u><u>-</u></h3>

1) Between O and A

  • The marellize and wally when moving between O to A , The distance is constantly increasing with time.
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2) Between A and B

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4) For covering the First 6 km ,

<u>According </u><u>to </u><u>the </u><u>graph</u><u>, </u>

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5) No, Marellize and wally walk does not from where they have started.

<u>According </u><u>to </u><u>the </u><u>graph </u>

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