Question

question 5
3 pt
the data
$a_{11}=8,a_{12}=4,a_{13}=20,a_{21}=222,a_{22}=94,a_{23}=382$
which is represented in the following table, were derived from a study of the effectiveness of
a flu vaccine. the value in each cell of the table represents the number of individuals in that
category. some participants in the study were given no vaccine, some were given one
injection, and some were given two injections.

what is the probability that a person did not get the flu?
note: for any final answer that has up to four decimal places, enter your answer without rounding
the number. for any answers with more than four decimal values, round your final answer to four
decimal places.

question 6
3 pt

Explanation:

Step1: Calculate total number of people

Sum all values: \(8 + 4+20 + 222+94 + 382\)

$$
LATEXBLOCK0
$$

Step2: Calculate number of people who did not get flu

Sum no - flu values: \(222+94 + 382=698\)

Step3: Calculate probability

Probability \(P=\frac{\text{Number of people who did not get flu}}{\text{Total number of people}}=\frac{698}{730}\approx0.9562\)

Answer:

\(0.9562\)