The relative frequencies for a set of data are shown in the table below. Value
Relative Frequency
0.15
1
2
0.10
3
0.45
4
0.30
If there are a total of 20 data values, with what frequency does the data value 3 occur?

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

3. 8,935,200 minutes

4. 227,040 feet

c. product line extension.