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Please help emergency

Please help emergency-example-1
User Arsonik
by
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1 Answer

2 votes

Explanation:

This is a probability related problem.

Probability is the likelihood of an event to occur;

Pr =
(number of possible outcomes)/(Total sample space)

The sample space here is from 1 to 25 which is 25

A.

Pr of a card marked 8; we have just 1 possible outcome;

Pr(8) =
(1)/(25)

B.

Pr of drawing a card that is a multiple of 5;

Multiples of 5 = 5, 10, 15 and 25

Pr (multiples of 5) =
(4)/(25)

C.

Pr of drawing a card with odd numbers:

Number of odd numbers between 1 and 25 = 13

Pr(odd numbers) =
(13)/(25)

D.

Pr of drawing a number with square number on it;

Square numbers between 1 and 25 = 1, 4, 9, 16 and 25

Pr(square numbers) =
(5)/(25) =
(1)/(5)

User BoDeX
by
7.5k points