If research reveals that a company has a large number of unresolved complaints and a poor business rating, which external source
2 answers:
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Complete question;
<em>The distribution of lengths of salmon from a certain river is approximately normal with a standard deviation of 3.5 inches. If 10 percent of salmon are longer than 30 inches, which of the following is closest to the mean of the distribution? 26 inches A 28 inches B 30 inches C 33 inches D 34 inches</em>
Option B is correct. The value that is closest to the mean of the distribution is 30inches.
The formula for calculating the z-score is expressed as:
Given the following parameters
If 10 percent of salmon are longer than 30 inches, then:
- P(x>30) = 0.1
Using the z table to get the value corresponding to the mean area 0.1.
- The required z-score will be -1.285
Substitute the resulting parameters into the formula to get the mean of the distribution.
Hence the value that is closest to the mean of the distribution is 30inches.
Learn more here: brainly.com/question/15295437
The exact volume of this cylinder is equal to 225π cubic centimeters.
<h3>How to calculate the volume of a cylinder.</h3>Mathematically, the volume of a cylinder is given by this formula:
<u>Where:</u>
- h is the height.
- r is the radius.
<u>Given the following data:</u>
Height of cylinder = 9 cm.
Diameter of cylinder = 10 cm.
Radius =
Substituting the given parameters into the formula, we have;
Volume =
Read more on volume of a cylinder here: brainly.com/question/21367171
