New Zealand
Level 8 - NCEA Level 3

# Real life simulations

## Interactive practice questions

When studying the results of a baseball team, previous results of performance are looked at. Other factors that could complicate the calculation of the probability of the team winning their next game could be:

Select all the correct options.

Players' conditions

A

How well they played last week

B

How well another team they haven't played against has been playing in the competition

C

Weather

D

Players' conditions

A

How well they played last week

B

How well another team they haven't played against has been playing in the competition

C

Weather

D
Easy
Approx a minute

Police want to determine where along a stretch of road to install a speed camera. Over a period of time, they measured the number of car accidents at each point along the road, and positioned the speed camera at the point where car accidents are most likely.

In a new study scientists have determined that it is very likely that a recent widespread drought has increased global warming.

Sceptics looking to argue against this claim could point to which other possible contributing factors? Select all correct answers.

Based on previous data, an insurance company determines that younger drivers are more likely to have a car accident and are therefore charged a higher premium for their insurance.

What other factors need to be considered in determining the insurance premium for a driver?

### Outcomes

#### S8-4

Investigate situations that involve elements of chance: A calculating probabilities of independent, combined, and conditional events B calculating and interpreting expected values and standard deviations of discrete random variables C applying distributions such as the Poisson, binomial, and normal

#### 91585

Apply probability concepts in solving problems