A jar contains 39 red marbles, 41 green marbles and 70 white marbles. If a marble is drawn from the jar at 120 random, what is the probability that this marble is white? Only the final answer should be rounded-off to TWO decimal places. herin On a hospital staff, there are 4 dermatologists, 3 surgeons, 3 general practitioners, 8 psychiatrists, and 2 orthopedic specialists. If a doctor is selected at random, find the probability that the doctor is a psychiatrist, 1 20 surgeon, or dermatologist. Only the final answer should be rounded-off to TWO decimal places. herin Question 16 Below are listed the numbers of doctors in various specialties by gender. Pathology Pediatrics Psychiatry Male 12,575 33,020 25,254 Female [x] [y] [z] Note: x = 5993 y = 23971 Z = 12609 Choose 1 doctor at random. Find P (pathologist | female). Only the final answer should be rounded-off to TWO decimal places. In the game of craps using two dice, a person wins on the first roll if a 7 or an 11 is rolled. The probability of winning on the first roll is Only the final answer should be rounded-off to TWO decimal places. An advertising company plans to market a product to low-income families. A study states that for a particular area, the average income per family is $22529 and the standard deviation is $6696. If the company plans to target the bottom 18% of the families based on income, find the cutoff income. Assume the variable s normally distributed. Only the final answer should be rounded-off to TWO decimal places