Alec's total payment for his loan was $19,440. What was his monthly payment if he paid it off after making 60 monthly payments?
2 answers:
Answer:
C. $324.
Step-by-step explanation:
We have been given that Alec's total payment for his loan was $19,440.
To find the amount of Alec's monthly payment we will divide the total amount by total number of monthly payments.
Therefore, Alec's monthly payment was $324 and option C is he correct choice.
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The fourth coordinate point would be at (1, 1). If you look at the graph, it's easy to see which point is missing. You can also tell by looking for the x and y values that don't repeat, since this is a rectangle. -6 is an x-value for two coordinate points, but 1 is an x-value for only one. 10 repeats as a y-value in two coordinate points, but 1 only appears once.
Answer:
Test statistic = 3.1587
Step-by-step explanation:
We are given that the Toy-lot company makes an electric train with a motor that it claims will draw an average of only 0.8 ampere (A).
Also, a sample of eleven motors was tested, and it was found that the mean current was x = 1.20 A, with a sample standard deviation of s = 0.42 A.
So, Null Hypothesis, :
= 0.8 { claim of 0.8 A is not low}
Alternate Hypothesis, :
> 0.8 { claim of 0.8 A is too low}
Now, the test statistics used here will be;
T.S. = ~
where, X bar = sample mean = 1.20 A
s = sample standard deviation = 0.42 A
n = sample size = 11 motors
So, Test statistics = ~
= 3.1587
At 1% level of significance, t table gives a critical value of 2.764 at 10 degree of freedom. Since our test statistics is higher than the critical value so we have sufficient evidence to reject null hypothesis .
Therefore, we conclude that Toy-lot claim of 0.8 A is too low.