Step-by-step explanation:
no it doesn't equal
!
☺☺☺☺☺..........
*Tenths and *hundredths
The digit in the tenths place is 10 times the digit in the hundredths place. hope this helps.
Answer: He is not correct
Step-by-step explanation:
Well to determine whether he is correct find 20% of the basic computer computer and add it to its price to determine if it equals 490 euros
20% * 400 = 80
Now add 80 to 400 to see if it equals 490
400 + 80 = 480
480 ≠ 490
He is wrong
Answer:
It would be G but i dont know
Step-by-step explanation:
Answer:
260.1615 ; 70.688 ; (53.787 ; 103.304)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Data:
242.87
260.93
194.19
260.76
355.36
346.32
165.37
250.08
326.76
283.56
212
284.08
139.16
436.72
240.87
310.41
223.73
181.25
238.2
250.61
Using calculator :
Sample mean = ΣX / n
Sample mean = 5203.23 / 20
Sample mean, m = 260.1615
Sample mean, m = 260.2
Sample standard deviation (s) :
Σ(X - m) / n - 1
= 70.688
= 70.7
((n-1)*s²) / ²0. 975, 19 ; ((n-1)*s²) / ²0.025, 19
95% confidence interval :
(53.787 ; 103.304)
