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tresset_1 [31]
3 years ago
11

Can u please help me?!?!

Mathematics
1 answer:
ivolga24 [154]3 years ago
8 0

Answer:

Step-by-step explanation: yes

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C..

Step-by-step explanation:

A rotation of 180 degrees about the center of the parallelogram will  do this.

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Solve the absolute value inequality.<br> | 2x-2 | &gt; 8
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Can u Simplify this problem???!? 3t-7t+14t
sleet_krkn [62]
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7 0
3 years ago
Read 2 more answers
6. The mean number of hours of flying time for pilots at Continental Airlines is 37 hours per month (The Wall Street Journal, Fe
SashulF [63]

Answer:

The marginal error is 2.355

Confidence interval is (34.645,\ 39.355)

The LB and UB are 34.645 and 39.3555 respectively.

Step-by-step explanation:

Consider the provided information.

n = 49, s = 8.2 c = 95%and \bar x=37

Degree of freedom is: n-1 = 49-1 = 48.

\alpha =\frac{1-c}{2}= \frac{1-0.95}{2}\\\alpha = \frac{0.05}{2}= 0.025

From the table t_{\alpha /2}=2.010635

Marginal error is:

E=t_{\alpha /2}\times \frac{s}{\sqrt{n}}

E=2.0106\times \frac{8.2}{\sqrt{49}}

E=2.0106\times \frac{8.2}{7}

E=2.0106\times 1.171

E=2.355

Hence, the marginal error is 2.355.

Part (B)

95% confidence interval estimate

(\bar x-E,\ \bar x+E)

(37-2.355,\ 37+2.355)

(34.645,\ 39.355)

Thus, the LB and UB are 34.645 and 39.3555 respectively.

3 0
3 years ago
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