Question

A total of 250 people were surveyed about whether or not each person carries a cell phone. The results are shown below in the relative frequency table.

Total
Female
Male
Total
Carries
Cell
Phone
0.42
0.30
0.72
Does Not
Carry Cell
Phone
0.16
0.12
0.28
0.58
0.42
1.00
Which statement is correct?
o 70 people carry cell phones.
O 105 males carry cell phones.
o 145 females carry cell phones.
180 people total carry cell phones.

Answer 1

180 people carry cell phone

Explanation:

each number is a percentage so you can figure out all the percentages of the bottom and right

0.72 carry cell phone

180 carry cell phone

0.28 dont carry cell phone

70 people dont carry cell phone

0.58 are female

145 are female

0.42 are male

105 are male

therefore that leaves the 180 people carry cell phone