1. A study was currently done in that 500 people were asked to point out their preferences for one of three products. The following table describes the breakdown of responses by gender of respondents.
|
Product Preference
|
|
Gender
|
A
|
B
|
C
|
|
Male
|
80
|
20
|
10
|
|
Female
|
200
|
70
|
120
|
Based upon these data, the probability that the person in population will prefer product A can be assessed as:
a. 0.18
b. 0.56
c. 0.286
d. 0.16
2. Suppose that standard deck of 52 playing cards is randomly shuffled and first two cards are dealt to you. Fin out the probability that you've a blackjack? A blackjack is where one card is the ace and other card is worth 10 points. The 10 point cards are Kings, Queens, Jacks and 10's.