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khemphill4118
06.07.2019 •
Mathematics
Partial results of a survey about students who wear glasses are shown in the two-way table. which of the following statements are true? check all that apply. 225 students were surveyed. 25 girls always wear glasses. 15 girls sometimes wear glasses. 52 boys never wear glasses. 75 boys were surveyed. 65 students sometimes wear glasses.
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Ответ:
a. True, b. False, c. True, d. True, e. False, f. True
Step-by-step explanation:
Partial results of a survey about students who wear glasses are shown in the two-way table.
First we complete the table to understand options easily
Always Sometimes Never Total
Boys 25 50 52 127
Girls 35 15 48 98
Total 60 65 100 225
Now we can solve all the options easily.
a. 225 students were surveyed - True
b. 25 girls always wear glasses - False (35)
c. 15 girls sometimes wear glasses - True
d. 52 boys never wear glasses - True
e. 75 boys were surveyed - False (127)
f. 65 students sometimes wear glasses -True
Ответ:
14.5
Step-by-step explanation: