Question

A dice is thrown 80time. if the probability of having an even number is 7/10then how many time an odd number appear on dice?​

Answer 1

Answer:

40 times

Step-by-step explanation:

The dice is trowh 40 times theodd no. come because half is even and half odd.

Answer 2

Answer:

There are 24 times that an odd number appears on dice.

Step-by-step explanation:

Since we have given that

Probability of having an even number = \dfrac{7}{10}

10

7

Probability of having an odd number = 1-\dfrac{7}{10}=\dfrac{10-7}{10}=\dfrac{3}{10}1−

10

7

=

10

10−7

=

10

3

Number of times a dice is thrown = 80 times

So, the number of times an odd number appears on dice is given by

\begin{gathered}\dfrac{3}{10}\times 80\\\\=3\times 8\\\\=24\end{gathered}

10

3

×80

=3×8

=24

Hence, there are 24 times that an odd number appears on dice.

Step-by-step explanation:

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