3 years ago

Here some free points

Engineering

2 answers:

Vanyuwa [196]3 years ago

6 0

Answer:

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Semenov [28]3 years ago

5 0

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A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender? select

Nataly_w [17]

Answer:

Option D

$H_o$ equals 0.5 $H_a$ less than 0.5

Explanation:

Information given

N=144

X=66

$P=\frac {x}{n}=66/144= 0.458333\approx 0.46$

The hypothesis

Null hypothesis

Probability, p =0.5

$H_o: p =0.5$

Alternative hypothesis

Probability, p<0.5

$H_a: p$

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4 years ago

A six-lane freeway (three lanes in each direction) with a 5.5% uphill grade 1.5 miles long has 10-ft lanes and obstructions 5 ft

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The answer would be:
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The basic concept of feedback control is that an error must exist before some corrective action can be made?

weqwewe [10]

Answer:

The correct answer is True.

Explanation:

The feedback control system implies that to make a feedback, there must first be an error, otherwise there will be nothing to correct.

This system works so that there is an output that is controlled through a signal.

This signal will be feedback and it will signal an error which will be detected by a controller that will allow entry into the system.

In basic words, this system processes signals, samples them in the form of an output, and re-enters them feedback to detect the error signal.

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Packaging Engineers do all of the following except: a. sample food items b. establish standards and guidelines for the product c

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