Answer:
the answer is 119 hope this helps
Step-by-step explanation:
That would be 177.5 in standard form.
Answer:
It is 2
Step-by-step explanation:
Well u see u need to multiply and that's really all to it so yeah ur welcome
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 : 