Explanation

Arrange the study hours in ascending order: 0, 0, 3, 4, 4, 4, 5

There are 7 values, so the median is the 4th value.

The 4th value is 4 hours.

Last verified on 06-09-2026

Explanation

Started with 10 red balls.  

1 red ball is removed.

10 - 1 = 9

Last verified on 05-09-2026

Explanation

When flipping a coin 3 times, each flip has 2 possible outcomes (heads or tails).

So, the total number of outcomes is 2³ = 8.

The favorable outcome is getting 3 heads (HHH).

There is only 1 way to achieve this.

Probability = Number of favorable outcomes / Total number of outcomes = 1/8 = 0.125.

Last verified on 05-09-2026

Explanation

Total balls = 1 + 2 + 3 = 6

Red balls = 3

Probability = 3/6 = 1/2

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Explanation

When a dice is rolled, there are 6 possible outcomes: 1, 2, 3, 4, 5, and 6.

The numbers greater than 4 are 5 and 6, which are 2 outcomes.

So, the probability of getting a number greater than 4 is:

Probability = Number of favorable outcomes / Total number of outcomes

= 2/6

= 1/3

Last verified on 01-09-2026