Answer:
-3/2
Step-by-step explanation:
We have to see where the point lies, check the x-axis from the graph.
(-3/2, 1/2)
x = -3/2
Answer:
i think the scale factor is 3:2
Step-by-step explanation:
To figure the total difference divide:
6 divided by 4 = 1.5
1.5 = 3/2
pls tell me if wrong
Hope this helps
Answer: 25%
Step-by-step explanation:
hope this helps :)
Answer:
p value = 0.03514
Step-by-step explanation:
Hypotheses would be

(left tailed test at 10% level of significance)
Here p stands for the sample proportion of mothers smoked more than 21 cigarettes during their pregnancy.
Sample size =130
persons who smoked = 2
Sample proportion = 
Assuming H0 to be true
Std error= 
p difference = -0.0346
Test statistic z=-1.81
p value = 0.03514
Since p is less than 0.10, significance level, we reject H0
I think it's B I'm not sure tho