Question

Probability Please Help!!!

78.2% of the students study more than one day for the chapter test. Find the probability that a randomly selected student did not study more than one day for the test.

0.218
0.782
0.328
0.391

Answer 1

0.218

Explanation:

If x represents student that study more than one day, then the probability of x will be 78.2%. In other words, out of 1000 student, 782 of them will study more than one day while 218 of them only study for one day or less

The question asking for the probability that a randomly selected student did not study more than one day, which negation of X statement. So the answer will be ~X= 100%- 78.2%= 21.8%= 0.218