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timofeeve [1]
3 years ago
10

Janie flips a coin 70 times and records if it comes up heads. If getting heads is a success, what is the probability of a failur

e? 0.2 0.5 0.7 1.00
Mathematics
2 answers:
Solnce55 [7]3 years ago
8 0
The correct answer is 0.5

KATRIN_1 [288]3 years ago
4 0
<h2>Answer:</h2>

          The probability of failure is:

                         0.5

<h2>Step-by-step explanation:</h2>

It is given that:

Janie flips a coin 70 times and records if it comes up heads.

Also, getting of a head is considered as a success.

This means that getting a tail will be a failure for the experiment.

As we know that for a unbiased coin the probability of getting a tail; and a head are equal.

Hence, the probability of head is: 1/2=0.5

and probability of tail is:   1/2=0.5

           Hence, the probability of a failure is: 0.5

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75% of what number is 200
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We try to find the number that 75% of it is 200 by set the number that we try to find by A
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