A study of the effectiveness of a flu vaccine was conducted with a sample of 503 people. Some participants in the study were given no vaccine, some were given one injection, and some were given two injections. The results of the study are listed in the table.
No vaccineOne injectionTwo injectionsTotalFlu951933No flu14860262470Total15765281503A person is selected at random from the sample. Find the specified probability that the person did not get the flu. Round your anser to one decimal place.
A. 81.4%
B. 89.4%
C. 85.4%
D. 77.4%
E. 93.4%
Answer: E
Mathematics
You might also like to view...
Solve the absolute value equation.
= -6
A. x = - 
B. x = - 
, 
C. no solution
D. x = 
Mathematics
Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.12(6z + 5) - 2
A. 72z + 36 B. 18z + 15 C. 72z + 3 D. 72z + 58
Mathematics
Simplify.(-4xy)2
A. -8xy B. -8x2y2 C. 16xy D. 16x2y2
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. p
B. -1
C. 
D. -p
Mathematics