Answer:
0.2696
Step-by-step explanation:
Number of People who responded Yes=175
Number of People who responded No=474
Total Number of Respondents=175+474=649
We want to determine the Probability that a person chosen at random believes that psychic can help solve murder cases.
Now,

Number who believe psychic can help solve murder cases=175
Total Number=649
Therefore:
P(a person chosen at random person believes some psychics can help solve murder cases) = 