If you were to randomly survey 50 people at 20 random locations across the country (such as parks, malls, restaurants, would this be a random sample? why or why not?

Yes, it is a valid random sample for if I were to randomly survey 50 people from the phone books of 20 randomly chosen cities.

Step-by-step explanation:

Because a random sample, means, the following: a subset of a statistical population in which each member of the subset has an equal probability of being chosen. And the randomly survey 50 people from the phone books of 20 randomly chosen cities matches this meaning.

Yes, it is a valid random sample for if I were to randomly survey 50 people from the phone books of 20 randomly chosen cities.

Although you might need more people to get a better percentage.

the best buy, is the 4- kilogram bag of lollipops for $18.40.

step-by-step explanation:

i found my answer by dividing the cost of each bag by their respective weights.

14.88 divided by 2 = 7.44

17.29 divided by 3 = 5.77

18.4 divided by 4 = 4.6

24.4 divided by 5 = 4.88

by this, i found that the 4 kilo bag is the best buy.