Probability

Probabilities as Fractions

Describing Chance

Probabilities as Rational Number

Experimental Probability I

Conducting Experiments (Investigation)

Experimental and Expected Frequencies

Outcomes of experiments

Experimental Probability II

Level 4

Outcomes of experiments

Interactive practice questions

This spinner is spun.

A spinner is divided into eight equal sectors, each with a different color, and has a black arrow attach to its center. From the top-left and moving clockwise, the first sector is a purple sector, followed by a red sector, yellow sector, purple sector, blue sector, purple sector, yellow sector and finally, a red sector. The spinner has 3 purple sectors, 2 red sectors, 2 yellow sectors and 1 blue sector.

a

What is the chance it lands on purple?

b

What is the chance it lands on blue?

c

What is the chance it lands on yellow?

Easy

< 1min

The following dice is rolled.

Easy

< 1min

$James$ watched cars drive past his house over five minutes. In this time $13$13 cars went by, and $10$10 of those cars were white.

What is the experimental probability of a car being coloured white?

Easy

< 1min

A coin was flipped $100$100 times with $51$51 tails recorded. What is the experimental probability of flipping tails with this coin? Give your answer in fully simplified form.

Easy

< 1min

Outcomes

S4-3

Investigate situations that involve elements of chance by comparing experimental distributions with expectations from models of the possible outcomes, acknowledging variation and independence

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