There Must be only one "y" for each "x". For example: y= (+-)sqrt(x^2 -1) is not a function because each x will have 2 y`s
Answer:
1000
Step-by-step explanation:
Round the 6 in 600, this is 1 significant figure.6 rounds up to 10 making 1000
Answer:
Given:You sample 160 men, and 25% own cats
You sample 120 women, and 20% own cats.
To Find : Find the test statistic, rounded to two decimal places.
Solution:
You sample 160 men, and 25% own cats.
No. of men have cats = 
= 
So, 
You sample 120 women, and 20% own cats.
No. of women have cats = 
= 
So, 
We will use Comparing Two Proportions






Let
and
be the probabilities of men having cat and women having cat receptively


Formula of test statistic : 
Substitute the values
test statistic : 
test statistic : 
So, test statistic is 0.986
Answer:
2.8 years
Step-by-step explanation:
Answer:
60%
the reason its 60 percent is because if u think of 20,000 as just 20 its much easier