Step-by-step explanation:
mình nghĩ là như vầy. Chúc bạn học tôt :))))
Answer:
A: H0: p = 0.27; Ha: p > 0.27
Step-by-step explanation:
The parameter is the population proportion.
According to the survey conducted by the American Academy of Periodontology, the proportion of of US adults who admit they lie to their dentist about how often they floss their teeth is 27%.
This means the null hypothesis is :

Periodontist Dr. Garcia believes that the percentage seems low, so his claim is that the percentage should be more than 27%.
This means, the alternate hypothesis is

Therefore the correct choice is A.
Length times width equals so your answer is 80
3/5 converted to percentage gives 60%
How do we convert a fraction to a percentage?
First and foremost, the maximum percentage value any number could have is 100% , hence, in order to convert a number or fraction or even a decimal to percentage, we simply multiply it by 100
3/5 to percent:
In order to convert 3/5 to percentage, we would multiply by 100
3/5=3/5*100
3/5 in percent=300/5
3/5 in percent=60
3/5 in percent =60%
As a result, the correct option is 60%,which is the third option, option C
Find out more about percentage on:brainly.com/question/18488471
#SPJ1
Full question:
Convert 3/5 to a percent.
A.30%
b.35%
c.53%
d.60%
Answer:
It’s a
Step-by-step explanation:
Am smart