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2 answers:
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Answer:
The null hypothesis is .
The alternate hypothesis is
Step-by-step explanation:
Null hypothesis:
The previously report, the known value.
Alternate hypothesis:
What is questioned(higher, lower, different,...) of the null hypothesis
Previously, an organization reported that teenagers spent an average of 4.3 hours per week, on average, on the phone.
This means that the null hypothesis is .
The organization thinks that, currently, the mean is higher.
That is, higher than 4.3. So
The alternate hypothesis is
Answer:
Rj has dollars, Shawn has
dollars, and Riley has
dollars.
Step-by-step explanation:
Let's make the amount of money Rj has , so Shawn would have
dollars, and Riley would have
dollars. Altogether they have
dollars, so you can create an equation.
Now that we know that , we can substitute x into each equation.
Rj has dollars, Shawn has
dollars, and Riley has
dollars.