Answer:
- 1
Step-by-step explanation:
1 - ( - 3 ) - 5
- ) - makes a +
1 + 3 - 5 = 4 - 5 = -1
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Answer: B (104.50)
explanation: 5.5*3=16.5
5.5*9=49.5
5.5*7=38.5
16.5, 49.5, and 38.5 added all together is 104.5 or $104.50
Answer:
5
Step-by-step explanation:
(y2-y1)/(x2-x1), when you plug the numbers into the formula, you should get 5
Answer:
7 yards yards per second.
Step-by-step explanation:
you divide 21 by three
The confidence interval extremities are given by the formula:
m +/- (z · σ / √n)
In your problem:
m = 3.13
<span> σ = 0.23
n = 36
The z-score for a 99% confidence interval is 2.576
Therefore:
</span>m - (z · σ / √n) = 3.13 - (2.576 · 0.23 / √36) = 3.031
<span>m + (z · σ / √n) = 3.13 + (2.576 · 0.23 / √36) = 3.229
Therefore, the confidence interval is (</span>3.031, <span>3.229).</span>
