Using the Empirical Rule, it is found that:
- a) Approximately 99.7% of the amounts are between $35.26 and $51.88.
- b) Approximately 95% of the amounts are between $38.03 and $49.11.
- c) Approximately 68% of the amounts fall between $40.73 and $46.27.
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The Empirical Rule states that, in a <em>bell-shaped </em>distribution:
- Approximately 68% of the measures are within 1 standard deviation of the mean.
- Approximately 95% of the measures are within 2 standard deviations of the mean.
- Approximately 99.7% of the measures are within 3 standard deviations of the mean.
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Item a:
Within <em>3 standard deviations of the mean</em>, thus, approximately 99.7%.
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Item b:
Within 2<em> standard deviations of the mean</em>, thus, approximately 95%.
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Item c:
- 68% is within 1 standard deviation of the mean, so:
Approximately 68% of the amounts fall between $40.73 and $46.27.
A similar problem is given at brainly.com/question/15967965
Answer:
The missing value is .
Step-by-step explanation:
Divide the known denominator by its numerator.
Now multiply the quotient by the other numerator ().
or
First, find the factor by which the numerators have been multiplied.
Now, do the same for the denominators.
Turn it into a ratio.
The beginning ratio is 3:20, because there are 3 counselors for every 20 campers.
Then, you do x:120, x representing the number of counselors.
You have to multipy 20 by 6 to get 120, so you multiply 3 by 6 to get x.
Therefore, there are 18 counselors if there are 120 campers.
Answer:
48.0
Step-by-step explanation: