what is the probability only one in the group is overweight? round to 3 decimal places 0.25 QUESTION 4 2 points Say biprob06 A university finds that 0.5 of students taking an Intro to Philosophy course are unsuccessful and have to retake the course. In a group of 20 students taking the course, what is the probability that at 6, 7 or 8 are unsuccessful? round to 3 decimal places QUESTION 5 2 points Sav biprob09 A weighted coin has a probability of turning up Heads of 0.4. If the coin is flipped 7 times, find the probability that at most two Heads will occur. Round to 3 decimal places