An individual can be either susceptible or infected, the probability of infection for a susceptible person is 0.05 per day, and the probability an infected person becoming susceptible is 0.12 per day. Suppose that initially the population is 90% susceptible and 10% infected. What fraction is susceptible after 2 days? (enter two digits after decimal, if any)

The probability of a tornado in your home county in any one year is 0.073. What is the probabilitythat there will not be a tornado in that county in the next eighteen years you plan to live there?

You flip a coin that is not fair; the probability of heads on each flip is 0.7. The coin is flipped. If it shows heads, you draw a marble from urn A with 1 blue and 4 red marbles. If the coin shows tails, you draw a marble from urn B with 3 blue and 1 red marble. Find the probability of choosing a blue marble, given that the coin showed heads. ○ (0.7) · (₹) + (0.3) · (³) ○ (0.7) · (-/-) + من | حر = 0.14 = 0.2 +0.75 = = 0.14 0.0225 0.95 = = 0.1625

Suppose it takes a child between 4.5 and 12 minutes to eat an ice cream cone. Let X= the time, in minutes, it takes a child to eat an ice cream cone. Find the probability that a randomly selected child eats an ice cream cone in at least 7 minutes.