An ice cream parlor serves ice cream cones, milkshakes, and
waffles with ice cream. The cost of an ice cream cone is
$1.20, the cost of a milkshake is $2.00, and the cost of a
waffle with ice cream is $3.50. If 50% of the customers
choose an ice cream cone, 30% choose a milkshake, and 20%
choose a waffle with ice cream, what is the expected value
of the cost of one item served at the parlor?
• $0.99
• $1.00
•$1.90
•$2.00