180,have a beautiful day!
Step-by-step explanation:
Below are the null and alternative Hypothesis,
Null Hypothesis, H0: μ = 35000
Alternative Hypothesis, Ha: μ < 35000
Test statistic,
z = (xbar - mu)/(sigma/sqrt(n))
z = (33450 - 35000)/(5978/sqrt(50))
z = -1.83
P-value Approach
P-value = 0.0336
As P-value >= 0.02, fail to reject null hypothesis.
There is not sufficient evidence to conclude that the average College tuition for a law degree costs at least thirty five thousand dollars.
Step-by-step explanation:
The coefficients are 4, 5 and 7
There is no constant
The second one is right
He is incorrect because anything mutipled by 0 is 0!
Answer:
I think its 30% im not 100% sure about my answer but i think this is it ok
Step-by-step explanation:
