Answer................:8x^2-2x-1
Answer:
7
Step-by-step explanation:
hope t helps
To find the median, place the numbers in order from least to greatest then find the number in the middle
0.6, 0.87, (0.87, 1.1), 1.23, 2
0.87 and 1.1 are in the center.
Add 0.87 to 1.1 then divide it by 2
0.87 + 1.1 = 1.97
Half of 1.97 is 0.985
Hope this helps
Answer:
A. 14.6 ± 7.00
Step-by-step explanation:
Formula for the confidence interval between the two mean is;
CI = (μ2 - μ1) ± z√[((s1)²/n1) + ((s2)²/n2)]
We are given;
μ1 = 94.5
μ2 = 109.1
s1 = 10
s2 = 9
n1 = 10
n2 = 10
The z-value at confidence interval of 90% is 1.645
Thus;
CI = (109.1 - 94.5) ± 1.645√[(10²/10) + (9²/10)]
CI = 14.6 ± 7.00
