Question

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?

Answer 1

$0.99

$1.00

$1.90

$2.00

Answer 2

@Zelda

Answer 3

@Directrix

Answer 4

@dumbcow

Answer 5

Take the percentage of that customer amount multiplied by how much it costs. Then add them up.

Answer 6

Ok

Answer 7

Its C

Answer 8

\[EV = \sum_{}^{} x* p(x)\]

Answer 9

Is it C? @dumbcow

Answer 10

correct

Answer 11

Thanks again :D