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Q.

A coin is tossed 1000 times with the following frequencies:


Head: 445


Tail: 555


When a coin is tossed at random, what is the probability of getting a tail?


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a

0.855

b

0.455

c

0.555

d

5.55 

answer is C.

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Detailed Solution

It is given that a coin is tossed 1000 times.
Head: 445
Tail: 555
The total number of outcomes are 1000.
From the given table, the frequency of head is 555.
Thus, the favorable outcomes with getting a tail is 555.
Probability of the event= Number of favorable outcomes Total number of outcomes  
 Probability of getting a tail,
⇒Probability= 555 1000 ⇒Probability=0.555  
Hence, the probability of getting a tail is 0.555.
Therefore, the correct answer is option (3).
 
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A coin is tossed 1000 times with the following frequencies: Head: 445 Tail: 555When a coin is tossed at random, what is the probability of getting a tail?