It's Probabilty

In a carton of 12 eggs, 3 are hardboiled. What is the probability of picking a hardboiled egg randomly?

• 1/12

• 1/3

• 3/10

• 1/4

A standard deck of 52 cards has 4 of each type of card. What is the probability of picking a Queen or a King at random?

• 4%

• 8%

• 15%

• 18%

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A company manufactures electric dog collars. If the probability that one collar is defective is 1/25, what is the probability that two randomly selected collars are both defective?

• 2/25

• 1/50

• 1/25

• 1/625

There is an 80% chance that it will snow each day this week. To the nearest whole percent, what is the probability that it will snow all 7 days this week?

• 15%

• 21%

• 25%

• 30%