Chemistry, asked by shivasinghmohan629, 1 month ago

Challenge!

topic = data handling

(15) A dice is tossed once. Find the probability of getting (a) a number greater than 4 (b) an even number

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Answers

Answered by balajipatil1199
0

Explanation:

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Question

A dice thrown once. find the probability of getting

a) even number

c) number greater than 4

b) prime number

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Solution:.

When a dice is thrown possibke outcomes are ⇒1,2,3,4,5,6..

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EvenNo.

The numbers that are dibisible by 2 are known as Even nunbers..For Eg:. 4,6,18,34 etc..

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PrimeNo.

The numbers that are divisible by 1 and the number itself are known as Prime Numbers .For Eg:. 3,5,7 etc..

a) Even numbers⇒2,4,6

Total⇒3

Probability⇒\frac{No.\:of\:fav\:Outcomes}{Total\:no.\:of\:Outcomes}

Totalno.ofOutcomes

No.offavOutcomes

⇒\cancel\frac{3}{6}⇒\frac{1}{2}

6

3

2

1

c)Number greater than 4 ⇒5 and 6

Total⇒2

Probability⇒\frac{No.\:of\:fav\:Outcomes}{Total\:no.\:of\:Outcomes}

Totalno.ofOutcomes

No.offavOutcomes

⇒\cancel\frac{2}{6}⇒\frac{1}{3}

6

2

3

1

b)Prime numbers=3,2,5

Total⇒3

Probabilty⇒\frac{No.\:of\:fav\:Outcomes}{Total\:no.\:of\:Outcomes}

Totalno.ofOutcomes

No.offavOutcomes

⇒\cancel\frac{3}{6}⇒\frac{1}{2}

6

3

2

1

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