Question

@BVB4life

Answer 1

Which describes independent events?

Selecting a pink and a brown marker at random from a box. The first marker is passed to a friend before selecting the second marker.

Two children selecting identical stickers at random from a bag if they select the stickers one at a time.

Selecting two face cards from a standard deck of cards if they are selected at random, one right after the other, with no replacement.

Rolling a 5 and a 6 on a standard die with two sequential rolls to reach the shortcut on a board game.

Answer 2

two children selecting identical stickers at random from a bag if they select the stickers at one time

Answer 3

What is the experimental probability of rolling a 4 on a standard die if you had twenty trials and 2 successes?

one percent

two percent

ten percent

twenty percent

Answer 4

two percent

Answer 5

Samuel is researching the family size of the students in his school's after-school program. He hands out flyers asking students to email him with information about the sizes of their families. Which of the following is not true?

All of the students that email him are the sample.

The population is the students with a different family size from his.

He used volunteer sampling.

Each student that emails him is a unit in the study.

Answer 6

the population is the students with a different size family from his

Answer 7

The stem-and-leaf plot below shows the number of minutes Nora waited in line for various amusement park rides. What is the least amount of time she waited in line?

A stem and leaf plot has the stems one, two, three, and four. The stem one has leaves two and eight. The stem two has leaves zero, one, and seven. The stem three has the leaves three and nine. The stem four has the leaf nine.

twelve minutes

seventeen minutes

twenty-eight minutes

forty-nine minutes