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vlabodo [156]
2 years ago
9

Choose the word that best completes this sentence. A confined space has ______ means for entry or exit, and is not designed for

continuous employee occupancy
SAT
2 answers:
Oliga [24]2 years ago
7 0
Limited or restricted

lana66690 [7]2 years ago
7 0

Answer

A confined space has limited or restricted means for entry or exit, and is not designed for continuous employee occupancy.

Explanation

A confined space is one that highly enclosed and has high possibility of exposing workers to risks such as fire, explosion and loss of consciousness. Examples of confined spaces are tunnels, manholes, storage bins and tanks. Many workers obtain injuries and some even killed while working in confined spaces. The healthy and safety authority has outlined the processes to be followed when working in confined spaces.


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The standard error is 1.5.

The range of 95% confidence interval is 160 mg/dL and 220 mg/dL

<h3>What is the standard error of the distribution?</h3>

The standard error of the distribution is calculated as follows:

  • Standard error = standard deviation/√N

where N is the number of participants = 100

From the empirical rule of a normal or symmetrical distribution;

  • 68% of the data lies within one standard deviation
  • 95% percent within two standard deviations, and
  • 99.7% within three standard deviations from the mean.

Therefore,  175 mg/dl and 205 mg/dl lie one standard deviation from the mean.

One standard deviation = 175 - 190 or 205 - 190 = ±15

Standard deviation = 15

a. Solving for the standard error using the equation above;

Standard error = 15/√100

Standard error = 1.5

b. The range of 95% confidence interval is two standard deviations away from the mean.

Range of values two standard deviations from the mean = 190 - (2*15) and 190 + (2 * 15)

Range of values two standard deviations from the mean = 160 mg/dL and 220 mg/dL

Therefore, the range of 95% confidence interval is 160 mg/dL and 220 mg/dL

In conclusion, the standard error is calculated from the standard deviation and the sample size.

Learn more about standard error at: brainly.com/question/14467769

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