Answer:
Estimate of the standard error of the mean = 0.38 lb
Step-by-step explanation:
We are given the following in the question:
Sample mean, 
= 10.87 lb
Sample size, n = 131
Standard deviation, σ = 4.31 lb
We have ti find the estimate of the standard error of the mean.
Formula for standard error:
Putting values, we get,
0.38 lb is the standard error of the mean.
<u>Answer:</u>
16.4%
<u>Step-by-step explanation:</u>
We know that a station charges $15.95 for a lubrication job and as a promotion sell six coupons were sold for lubrication jobs for $80.
We are to find the percentage discount that was being offered on purchase of 6 coupon lube book.
Original price of 6 coupons = 6 × 15.95 = $95.7
Difference in prices = 95.7 - 80 = $15.7
Percentage discount = 15.7/95.7 = 16.4%
Answer:
(x,y) (2,-1)
Step-by-step explanation:
Answer:
8.30%
Step-by-step explanation:
you look at .3, which is in the tenths place. then you look to the left, if the number is 5 or higher, you round the 3 up, but if the number's lower, you erase all the numbers to the left of the place you want to round at
Find the multiples of each number
6: 2, 3
8: 2,2,2
-----------------------------
So the LCM would be 2,2,2, and 3
2x2x2x3=24
Hope that helps!
