The manager of a nightclub near a local university recorded the ages of the last
ID: 3391041 • Letter: T
Question
The manager of a nightclub near a local university recorded the ages of the last 100 guests in the following cumulative frequency distribution.
Construct the corresponding frequency, relative frequency, and cumulative relative frequency distributions. (Round "relative frequency" and "cumulative relative frequency" to 2 decimal places.)
How many of the guests were at least 26 but less than 30 years old?
What percent of the guests were at least 22 but less than 26 years old?
What percent of the guests were younger than 34 years old?
What percent were 34 years or older?
Ages Cumulative Frequency 18 up to 22 66 22 up to 26 73 26 up to 30 85 30 up to 34 97 34 up to 38 100Explanation / Answer
a)
b-1.
From the table, it is 12. [ANSWER]
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b-2.
From the table, it is 7%. [ANSWER]
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b-3.
From the table, it is 97%. [ANSWER]
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B-4.
From the the table, it is 3%. [ANSWER]
Ages Frequency Relative Cumulative Frequency Relative Frequency 18 up to 22 66 0.66 0.66 22 up to 26 7 0.07 0.73 26 up to 30 12 0.12 0.85 30 up to 34 12 0.12 0.97 34 up to 38 3 0.03 1 Total 100 1Related Questions
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