What is the probability that a number selected at random from the numbers 1, 2, 2, 3, 3, 3, 4, 4, 4, 4 will be their average?

\frac{4}{10}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{8}{10}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{5}{10}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{3}{10}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $\frac{3}{10}$
Total number=10
Average=
$\frac{1 + 2 + 2 + 3 + 3 + 3 + 4 + 4 + 4 + 4}{10} = \frac{30}{10} = 3$
Total no of 3= 3
So, probablity =Total no of 3/Total number=3/10
Answer (D) $\frac{3}{10}$

Suggest Corrections

Similar questions

1, 2, 3, . . ., 10

4

8

{2, 4, 6, 8, 10, 12, 14, 16, 18}

3

Find the number from each of the following expended forms :

8 \times 10^{4} + 6 \times 10^{3} + 0 \times 10^{2} + 4 \times 10^{1} + 5 \times 10^{0}

4 \times 10^{5} + 5 \times 10^{3} + 3 \times 10^{2} + 2 \times 10^{0}

3 \times 10^{4} + 7 \times 10^{2} + 5 \times 10^{0}

9 \times 10^{5} + 2 \times 10^{2} + 3 \times 10^{1}

Join BYJU'S Learning Program