**Problem : **
If a dice is rolled once, what is the probability that it will show an
even number? An odd number?

**Problem : **
If a dice is rolled once, what is the probability that it will show a
prime number (1 is not prime)?

**Problem : **
If a dice is rolled once, what is the probability that it will show a
multiple of 3?

**Problem : **
If a dice is rolled once, what is the probability that it will show a
multiple of 1? A multiple of 7?

**Problem : **
If a coin is flipped twice, what is the probability that it will land
heads once and tails once?

**Problem : **
If a coin is flipped twice, what is the probability that it will land
heads at least once?

**Problem : **
A bag contains 4 white counters, 6 black counters, and 1 green
counter. What is the probability of drawing:

a) A white counter?

b) A black counter?

c) A green counter?

d) A white counter or a black counter?

e) A white counter or a green counter?

b)

c)

d)

e)

**Problem : **
A deck of cards contains 52 cards, 13 from each suit. If a card is
flipped over, what is the probability that it is a spade? That it is
a face card (J, Q, K) of any suit?