# Proving claims

##### Intros

###### Lessons

##### Examples

###### Lessons

**Consequences of Disproving $H_0$**

Let the Null Hypothesis be given as: $H_0: \mu =17lbs$;

and the Alternative Hypothesis be: $H_1: \mu$ < $17lbs$

If the Null Hypothesis is proven to be false, then what can be said about the mean weight?

- The following claim is made. "More than 80% of fortune tellers are frauds".
- State the Null Hypothesis and the Alternative Hypothesis.
- If enough evidence is gathered to disprove the Null Hypothesis, then what can be said about the proportion of fraudulent fortune tellers?
- If there is not enough evidence to disprove the Null Hypothesis, then what can be said about the proportion of fraudulent fortune tellers?

###### Free to Join!

StudyPug is a learning help platform covering math and science from grade 4 all the way to second year university. Our video tutorials, unlimited practice problems, and step-by-step explanations provide you or your child with all the help you need to master concepts. On top of that, it's fun — with achievements, customizable avatars, and awards to keep you motivated.

#### Easily See Your Progress

We track the progress you've made on a topic so you know what you've done. From the course view you can easily see what topics have what and the progress you've made on them. Fill the rings to completely master that section or mouse over the icon to see more details.#### Make Use of Our Learning Aids

#### Earn Achievements as You Learn

Make the most of your time as you use StudyPug to help you achieve your goals. Earn fun little badges the more you watch, practice, and use our service.#### Create and Customize Your Avatar

Play with our fun little avatar builder to create and customize your own avatar on StudyPug. Choose your face, eye colour, hair colour and style, and background. Unlock more options the more you use StudyPug.

2

videos

remaining today

remaining today

5

practice questions

remaining today

remaining today