Question

From the integers 10 to 25, both numbers inclusive, a boy picked a number. What is the probability that it is either a prime or an even number

Answer 1

Answer:

Dear user,

Answer to your query is provided below

Probability = 13/16

Step-by-step explanation:

Total no. Of outcomes = 16

No. Of prime of even = 13

Prime number = 11,13,17,19,23

Even number = 10,12,14,16,18,20,22,24

Probability = 13/16

Answer 2

The correct answer would be-13/15=0.86

To find the integers we would use probability concept.

What is probability?

it is basically the chance that a given event will occur. i.e. the ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes.

probability=favorable outcome/total outcome

here in the question, total outcome= 15(25-10)

and favorable outcome= total prime outcome+ total even outcomes

prime number between 10-25 are- 11,13,17,19,23

even numbers are- 10,12,14,16,18,20,22,24

so, total favorable outcome= 5+8=13

probability that it is either prime or even number=13/15=0.86

Hence the correct answer is- 13/15=0.86

learn more about "probability" here

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