Question

Use the following results from a test for man, which is provided by a certaining company Among 148 cs with powers, there are 24 se poslive results. Among 14 negative results. There are the regative result Complete parts a rough a Constructie How many were included in the way! The trumber of subjects in the study was b. How many subjects did not use marana? Alor subjects did not use a c. What is the probability that a randomly wed subject did not use mana? The probability that a randomly selected subject did not use marjana (Do not round the final answer. Then round to three decimal places as needed

Answer 1

a) according to the table total number of people tested is 302

Positive Negative Total Posil nul 148 124 (Truel the 24 (false the the) 152 154 Negative 오 (Pulse-ue) 126 (Towe-we 176 302 Total

b) according to the table the number of people with false negative is 24 and true negative people are 152 so in real life they are negative so we can say that 24+152= 176 people don't use marijuana.

c) tu Abhi tip that randomly selected person don't use marijuana is

176/302

= 88/151 (ans)