Question

2. Two cards are selected from a deck of cards numbered 1 – 10. Once a...

2. Two cards are selected from a deck of cards numbered 1 – 10. Once a card is selected, it is not replaced. What is P(two even numbers)?

a. 1/4                          b.   2/9             c. 1/2                           d. 1

3. In a fish tank there are 24 goldfish, 2 angel fish, and 5 guppies. If a fish is selected at random, find the probability that it is a goldfish or an angelfish.

a. 26/31                      b.   12/31         c. 24/2             d. 2/24

Math   Statistics-And-Probability   
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Answer #1

Solution: 2. Two cards are selected from a deck of cards numbered 1 – 10. Once a card is selected, it is not replaced. What is P(two even numbers)?

Answer:

P(two even numbers)

Therefore, the option b. 2/9 is correct

3. In a fish tank there are 24 goldfish, 2 angel fish, and 5 guppies. If a fish is selected at random, find the probability that it is a goldfish or an angelfish.

Answer: The probability that it is a goldfish or an angelfish is:

Therefore, the option a. 26/31 is correct

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