Mathematics, 18.10.2020 15:01 arianna23717
A survey of 120 college students is conducted and the results displayed below show that 80 students have a smartphone, 65 have a tablet, and 10 have neither. Fill in the empty table cells in the two-way frequency table.
SmartphoneNo SmartphoneTotal
Tablet 65
No Tablet 10
Total80 120
What is the probability (rounded to the nearest whole percent) that a randomly selected college student has a tablet but not a smartphone? (4 points)
a
25%
b
30%
c
54%
d
38%
Answers: 3
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