The expression simplified is -w^3-2w+3
I hope this helped
Answer:
Step-by-step explanation: try your best
Answer:
Step-by-step explanation:
Information provided
n=100 represent the random sample taken
X=21 represent the number of bags overfilled
estimated proportion of overfilled bags
is the value that we want to test
z would represent the statistic
Hypothesis
We need to conduct a hypothesis in order to test if the true proportion of overfilled bags is higher than 0.15.:
Null hypothesis:
Alternative hypothesis:
The statistic for this case is:
(1)
And replacing the info given we got:
5.231.281 : 70.323 = 74,3 people per square mile
or 74 people per square mile