Answer:
The circumference would be 25.12 mm
Step-by-step explanation:



The probability that 4 are chem majors would be 5%
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 : 
see if this helps
definitions
congruent
1.in agreement or harmony
"institutional and departmental objectives are largely congruent"
2. identical in form; coinciding exactly when superimposed.