Question

A survey of patients at a hospital classified them by sex and blood type, as shown in the table. What percent of all patients are male? [Round answer to the nearest tenth of a percent.]

A blood type: 105 male, 93 female. B blood type: 99 male, 84 female. O blood type: 160 male, 140 female. AB blood type: 15 male, 18 female.
A.) 47.0%
B.) 47.8%
C.) 53.1%
D.) 54.1%

Answer 1

C) 53.1%

Explanation:

53.1% is correct. There are 714 patients in the table, 379 of whom are male, so the answer is

379

714

or .531.

Answer 2

C.) 53.1% is the answer