Question

A coin is tossed and a square spinner labelled A, B, C, D is twirled.1)Determine the probability of obtaining: a tail and C2) Determine the probability of obtaining: a tail or a vowel (or both)

Answer 1

A coin is tossed and a square spinner labelled A, B, C, D is twirled.

1)Determine the probability of obtaining: a tail and C

2) Determine the probability of obtaining: a tail or a vowel (or both)

Part 1

we have that

probability of obtaining a tail is P=1/2

probability of obtaining a C is P=1/4

so

the probability of obtaining: a tail and C is

P=(1/2)*(1/4)

P=1/8

Part 2

probability of obtaining: a tail is P=1/2

probability of obtaining a vowel is P=1/4

so

probability of obtaining: a tail or a vowel is

P=1/2+1/4

P=3/4

and

probability of obtaining: a tail and a vowel is

P=(1/2)*(1/4)

P=1/8