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Anna35 [415]
3 years ago
5

Given the following measurements, calculate the minimum and maximum possible object. Round to the nearest square whole square un

it.
The length of and width of a bookcover 22.2 centimeters and 12 Ret centimeters, respectively.​
Mathematics
1 answer:
garri49 [273]3 years ago
6 0

Answer:

28.3 centimeters and 21 centimeters

Step-by-step explanation:

28.3 + 0.05) cm, so 28.25 cm ≤ length < 28.35 cm.

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How do you solve 38.2 X 10^-2 ?
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4.521x10^1 in scientific notation
Vikki [24]

Answer:

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Step-by-step explanation:

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3 years ago
A truck loaded with 8000 electronic circuit boards has just pulled into a firm’s receiving dock. The supplier claims that no mor
Juliette [100K]

Answer:

The 95% confidence interval for the proportion of all boards in this shipment that fall outside the specification is (1.8%, 6.2%).

Step-by-step explanation:

Let <em>X</em> = number of boards that fall outside the most rigid level of industry performance specifications.

In a random sample of 300 boards the number of defective boards was 12.

Compute the sample proportion of defective boards as follows:

\hat p =\frac{12}{300}=0.04

The (1 - <em>α</em>)% confidence interval for population proportion <em>p</em> is:

CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

The critical value of <em>z</em> for 95% confidence level is,

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

*Use a <em>z</em>-table.

Compute the 95% confidence interval for the proportion of all boards in this shipment that fall outside the specification as follows:

CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\=0.04\pm1.96\sqrt{\frac{0.04(1-0.04)}{300}}\\=0.04\pm0.022\\=(0.018, 0.062)\\\approx(1.8\%, 6.2\%)

Thus, the 95% confidence interval for the proportion of all boards in this shipment that fall outside the specification is (1.8%, 6.2%).

3 0
2 years ago
HELP PLEASE ASAP!!!<br><br> I NEED HELP AS SOON AS POSSIBLE PLEASE!
Alex

Answer:

c,d,a

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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