# 6.8.2. Random Experiments

Determine the sample space of an experiment that consists of forming a 2-digit number using the digits 3 and 7 .

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A box contains 7 cards having the same color and numbered from 1 to 7. Determine the sample space of selecting a card at random.

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A random experiment of selecting a ball from a box containing 4 red balls and 5 brown ones. Observing the color of the selected ball, determine the sample space of this experiment.

• A{red, red}
• B{red, brown}
• C{brown}
• D{red}
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When conducting an experiment of rolling two dice, find the event where the sum of the dots on the upper two faces is equal to 10.

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A box contains four balls; a blue, a purple, a brown, and a white one. Determine its sample space.

• A{blue, purple, brown}
• B{blue, white, grey, purple}
• C{purple, blue, brown, white}
• D{brown, white, purple}
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A bag contains 10 equal cards having the same colour and numbered from 32 to 41. Find the sample space of the experiment of choosing a card randomly from these cards.

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Determine the sample space of a random experiment of choosing one digit of the number 148 250.

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Determine the sample space of the random experiment in which an even number is selected from the set of numbers between 39 and 52.

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