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kondaur [170]
2 years ago
14

Probability of rolling exactly 2 odd numbers when a 6 sided die is rolled three times

Mathematics
1 answer:
Dmitrij [34]2 years ago
3 0

Answer:

3/8

Step-by-step explanation:

Probability = Favorable Outcomes / Total Outcomes

There are 3 even numbers and e odd numbers.

P(Even Number) = 3/6 = 1/2

P(Odd Number) = 3/6 = 1/2

Probability it lands twice on an even number and once on an odd number = 1/2 * 1/2 * 1/2 = 1/8

What we must remember here is that the question does not say that the first 2 rolls are even and the 3rd roll is odd.

We must find the number of ways of getting Even, Odd Combinations which are 3!/2! = 3 (EEO, EOE, OEE)

The Required probability = 3 * 1/8 = 3/8

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If three hens lay 3 eggs any 3 days. The number of days that 3 Hens give in 9 eggs is: 9days.

<h3>Number of days that three hens lay 9 eggs</h3>

Given:

3 hens lay 3 eggs in 3 days

First step is to determine the number of egg one hen lay in 3 days

1 hen in 3 days lays 3/3

1 hen in 3 days lays=1 egg

Second step is to determine the number of egg 3 hens lay 1 day

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