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mihalych1998 [28]
3 years ago
12

A impossible B unlikely equally likely D likely E certain

Mathematics
2 answers:
maks197457 [2]3 years ago
7 0
C equally likely since there is a 50/50 chance of each outcome
natima [27]3 years ago
4 0
Answer: C, Equally Likely

50/50% chance, because there is only two possible outcomes.
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collect data (in decibels) of 10 different things in term of loudness. Arrange the data in ascending order & find mean, medi
ss7ja [257]
Whisper-20dB
Quiet Residence-30dB
Soft stereo in Residence-40dB
Average Speech-60dB
Cafeteria-80dB
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Loud crowd noise-100dB
Accelerating Bike-100dB
Rock concert-120dB
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(1)Mode=100dB (since 100 is occurring the maximum no. of times, i.e. it has the highest frequency of 2)
(2)Mean=sum of observations/Total number of observations
=(20+30+40+60+80+90+100+100+120+140)/10
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(3)Median= 1/2[{n/2}th observation + {(n/2)+1}th observation], where, n=total no. of observations
So, 1/2[{10/2}th observation + {(10/2)+1}th observation]
=1/2[5th observation+6th observation]
=1/2[80+90]                    [Because:5th observation=80dB and 6th=90dB]
=1/2(170)
=85
Therefore, median=85dB

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Who was the fast person in the race
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86-(5+9)
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