In a word game, you choose a tile from a bag, replace it, and then choose another. If there are 28 vowels and 12 consonants, what is the probability you will choose a consonant and then a vowel?

Question

anonymous · Answer

42/5

21/100

21/5

1/40

Listed above are all possible answers!

kropot72 · Answer

The is a total of 28 + 12 = 40 tiles. The probability of choosing a consonant first is 12/40. The probability of drawing a vowel next is 28/40. The events are independent, therefore the required probability is given by:
$$\frac{12}{40}\times\frac{28}{40}=you\ can\ calculate$$

anonymous · Answer

calculates to 1/1.. thats not even an option.. @kropot72

kropot72 · Answer

Nope. It does calculate to one of the options. Try some simplifying by cancelling.