7.3.PS-13 Each of three friends flips a coin 72 times. The results for each friend are shown in the tables. Find
the relative frequency for the event "heads" for each friend. If the friends combine their results to
get 148 heads and 68 tails, what is the relative frequency for the event "heads"? Use pencil and
paper. Suppose each friend flips a coin 720 times. Is there a value you would expect the relative
frequency for the event "heads" to be close to?
Friend 1
Friend 2
Friend 3
Frequency
Frequency
Frequency
Outcome
Outcome
Outcome
The relative frequency for the event "heads" for Friend 1 is 49
(Type an integer or a decimal rounded to the nearest hundredth as needed.)
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