The table of the number of students is a two-way table, and can be used to determine probability
The probability that a selected person is a girl and do not want the time to be increased is 0.193
How to determine the probability
The question is incomplete, so I will give an instance on how to calculate probability using the table
The table entries are given as:
Increase the Time Do Not Increase the Time No Opinion
Boys 35 19 6
Girls 50 28 7
In the above table, the total number of students is:
Total = 35 + 19 + 6 + 50 + 28 + 7
Total = 145
From the table, 28 girls do not want to increase time.
So, the probability that a selected person is a girl and do not want the time to be increased is:
p = 28/145
Divide
p = 0.193
Hence, the probability that a selected person is a girl and do not want the time to be increased is 0.193
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