Spinner SpikeData & Chance · statistics and probability

Spins a spinner and counts the wins: probability.

Probability

Probability. In MathBound, the free Algebra I adventure game, Spinner Spike asks these problems, and the only way past is to solve them.

Part of More topics: taught by some textbooks beyond the usual course.

10 questions, no sign-up, nothing saved. Climbs from the basics to harder questions.

What you will practice

Simple Probability. Find the probability of drawing one colour from a bag.
Experimental Probability. Find an experimental probability from a table of results.

Made by the game’s own question engine. Try each one, then open its steps.

A

bag

holds

8

red,

7

green

and

6

yellow

marbles.

One

marble

is

drawn

at

random.

What

is

the

probability

that

it

is

yellow

or

green ?

Show the worked steps

Answer: $\frac{13}{21}$

A

spinner

was

spun

38

times.

What

is

the

experimental

probability

of

orange ? Color purple orange yellow Times 15158

Show the worked steps

Answer: $\frac{15}{38}$

A

bag

holds

6

purple,

2

yellow

and

2

blue

marbles.

One

marble

is

drawn

at

random.

What

is

the

probability

that

it

is

yellow ?

Show the worked steps

Answer: $\frac{1}{5}$

Textbook	Lessons
Glencoe Algebra 1	0-11, 12-5
Holt McDougal Larson Algebra 1	11.1, 11.4
Pearson Algebra 1 Common Core	12-7