Question

# Samantha sees an advertisement for a new energy drink that claims to significantly increase your energy...

Samantha sees an advertisement for a new energy drink that claims to significantly increase your energy during workouts, as compared to people who drink only water during workouts. She decides to test this hypothesis.

Null:

Alternative:

Solution:

Claim: new energy drink that significantly increase your energy during workouts, as compared to people who drink only water during workouts.

We have to state null and alternative hypothesis.

Null: There is no significant increase in mean energy during workouts of people who drink new energy drink as compared to people who drink only water during workouts.

in symbolic form:

$H_{0}: \mu_{1} = \mu_{2}$

where

= mean energy during workouts of people who drink new energy drink

= mean energy during workouts of people who drink water only.

Alternative: There is significant increase in mean energy during workouts of people who drink new energy drink as compared to people who drink only water during workouts.

in symbolic form: