1.  In a recent report released by Consumer Reports,it was reported that 7 in 10 auto accidents involve a singlevehicle (thus, 3 out of 10 involve multiple vehicles). Suppose 15accidents are randomly selected. Let x = the number of accidentsinvolving a single vehicle.
a. What is the probability that less than 14 accidents involve asingle vehicle?
b. What is the mean number of single vehicle accidents? What isthe standard deviation?
c. What is the probability at least 2 accidents aremultiple vehicle accidents?