6) According to a recent government report, 87% of drivers now use seat belts regularly. Suppose...
6) According to a recent government report, 87% of drivers now use seat belts regularly. Suppose a police officer at a road check randomly stops ten cars to check for seat belt usage. Gradet a) What is the probability that at least eight drivers were wearing their seat belt? Communication strong --------> weak Grade! 5 4 3 2 1 b) What is the probability that all ten drivers were wearing their seat belt? Communication strong -- ---- weak XI Grade: c) Compute the mean and standard deviation for the number of drivers in this sample who are wearing their seat belt. Communication strong - weak