Probability in Society
Marcus was first to arrive 9 of the last 10 math classes. The teacher thinks Marcus will arrive first for today's class. Is the teachers opinion based on theoretical probability, experimental probability, or subjective judgement?
Based on experimental probability
What is a census?
Data collection done on the entire population
Timing is a potential problem, what is the definition?
When the data is collected could affect results
What sampling method divides the population into groups and then collects data on everyone in one group?
Cluster Sampling
Natalie thinks she is going to lose the game because she has bad luck. What is this judgement based on?
Personal thoughts or feelings
What is a sample?
Data collection done on parts of a whole population
A teacher wants to find out when his students set up their Christmas Trees. What potential problem is there?
Cultural sensitivity
Members of a population volunteer to be chosen, is what type of sampling?
Self-Selected Sampling
6/20 or 3/10
A company wants to test their products to make sure there are no problems. What should be use a census or a sample?
Sample
A video game company wants to determine what the populations favourite video game is. So they establish a two hour survey. What is the potential problem?
Time, takes to long
What is convenience sampling?
Sampling members of a population that is most convenient
If you rolled two dice what is the probability of rolling two ones?
1/36
To find out how happy M3 students are with hands on projects. The school creates a survey, what type should be used a census or a sample?
Census
Cost is a potential problem that results from what?
The survey being to expensive
What is Systematic Sampling?
Sampling every nth member of the population