People from east coast and midwest carry different types of credit cards. credit card visa master american express discover east coast 0.45 0.37 0.16 0.02 midwest 0.40 0.43 0.03 ? (a) what is the probability that a person from midwest has discover card? (b) what is the probability that a person chosen at random from east coast and midwest, independently of one another, both have type american express? (c) what is the probability that a person chosen at random from east coast and midwest, independently of one another, both have the same type of credit ca

A. 0.14

B. 0.0048

C. 0.3467

Step-by-step explanation:

You are given the table

The sum in each row must be equal to 1, so

Hence, the table is

A. The probability that a person from Midwest has Discover card is

B. The probability that a person chosen at random from East Coast and Midwest, independently of one another, both have type American Express is

C. The probability that a person chosen at random from East Coast and Midwest, independently of one another, both have the same type of credit card is

x = 20 ; y= 10√3

Step-by-step explanation:

30, 60 , 90 triangle ratio is

Side opposite to 30 is a

a = AC = 10

Side opposite to 60 is a

AB = a = 10√3

Side opposite to 90 is  2a

BC = 2a = 2* 10 = 20