Marina saved $80 from her babysitting job. she wants to buy some shirts and pants that are on sale at her favourite store for $17 each. how many items of clothing can she buy?

Step-by-step explanation:

Total amount of money that Marina saved from her babysitting job is $80.

She wants to buy some shirts and pants that are on sale at her favourite store for $17 each. To determine how many items of clothing that she can buy, we would divide the total amount that she saved by the cost of each clothing. It becomes

80/17 = 4.7.

Since the number of clothing must be whole number, the number of clothing that she can buy would be 4

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0