probability is 0.30 that any such plant will survive a frost. 3. A doctor knows from experience that 10% of the patients to whom he prescribes a certain blood pressure medication will have undesirable side effects. What is the probability that none of four Binomial patients to whom he prescribes medication will have undesirable side effects. cifications. 90% of the6. To start her old lawn mower, Rita has to pull a cord and hope for some luck. On any particular geometric pull, the mower has a 20% chance of starting. a. Find the probability that it takes her exactly 3 pulls to start the mower. b. Find the probability that it takes her 10 or fewer pulls to start the mower.8. A drawer contains four red socks and two blue socks. Three socks are drawn from the drawer without replacement. Myfenglomeluc a. Create a probability distribution in which the random variable represents the number of red socks. b. Determine the expected number of red socks if three are drawn from the drawer without replacement.10. At a customer call center, each call center employee has customer complaints coming in at an Poisson average of 2 per hour. We observe the activities of the employees at the call center for a period of 45 minutes. Calls are randomly assigned to employees, so that the employees' activities are independent of each other a. What is the probability that an employee receives no new calls during this 45- minute period? b. An employee is overwhelmed if more than 1 call comes in over the 45-minute period. What is the probability that an employee is overwhelmed