Answer:
PI is part of the formula for the circumference.
Step-by-step explanation:
The formula is c=2π
r.
Hope it helps!
Answer:
For a bilateral test the p value would be:
Step-by-step explanation:
Information given
n=225 represent the sample selected
X=87 represent the households with incomes below the poverty level
estimated proportion of households with incomes below the poverty level
is the value that we want to test
z would represent the statistic
represent the p value
System of hypothesis
We want to check if the true proportion is equal to 0.32 or not.:
Null hypothesis:
Alternative hypothesis:
The statistic is given bY:
(1)
Replacing we got:
For a bilateral test the p value would be:
Total songs= 22
Total songs w/out rap= 13
13/22=0.59
.59 or 59%