Question

Genevieve conducted an experiment in which she spun a spinner with four equal-sized sections: green, yellow, red, and blue. The results of her experiment are shown below.

Genevieve's Experiment
Spin Result
1 green
2 green
3 red
4 red
5 green
6 blue
7 yellow
8 green
9 green
10 yellow
Spin Result
11 yellow
12 green
13 red
14 blue
15 green
16 yellow
17 red
18 yellow
19 blue
20 green

Which letter has an experimental probability equal to its theoretical probability?
A.
yellow
B.
green
C.
red
D.
blue

Answer 1

Which of the following is an example of random sampling?
A.
A national survey company picks one phone number from each area code in America to call and ask for an opinion on current political issues.

B.
The school newspaper asks teachers in that middle school how they feel about the behavior of twelve year old boys.

C.
Migrant workers are surveyed on their opinion of mandatory health insurance for companies.

D.
The manager of a restaurant asks customers their opinion on a new salad dressing.

Answer 2

you sure

Answer 3

If Quinn tosses a fair coin and then rolls a fair number cube labeled 1 through 6, what is the probability of tossing heads followed by rolling a number less than 3?
A. 1/3


B. 1/6


C. 6


D. 1/4

Answer 4

you sure

Answer 5

A right rectangular prism has a length of 9 inches, a width of 10 inches, and a height of 11 inches. If a plane slices the prism in half, parallel to its smallest face, which of the following describes the shape of the two-dimensional cross-section?
A.
a 10-inch by 11-inch rectangle
B.
a 9-inch by 11-inch square
C.
a 10-inch by 10-inch square
D.
a 9-inch by 10-inch rectangle