Answer: 

Step-by-step explanation:
- A null hypothesis is a hypothesis where a researcher generally try to disprove, it says that there is no statistically significant relationship between the two variables .
- An alternative hypothesis says that there is a statistical significance between two variables.
Claim 1. : Mean age of online dating service users is 40 years.
i.e.
, since it has equals sign so we take this as null hypothesis.
Claim 2. : Mean age of online dating service users is not 40 years.
⇒ Null Hypothesis : 
Alternative hypothesis : 
three hundred twenty-six thousandths = .326
nine hundred twenty-four thousandths = .924
Hope this helped!! :D
The ninth term will be 71.
Answer:
7/2<x<6
Step-by-step explanation:
i think is this wait for someone ele to answer to be sure
Answer:
5 = term
sum = +
product = x or * (times)
4 = coefficent
quotient = division symbol
factor = 2
Step-by-step explanation: