b. In oil exploration, the probability of an oil strike in the North Sea is 1 in 500 drillings. What is the probabilities of having exactly 3 oil producing wells in 1000 explorations? at most 2 oil producing wells in 800 drillings?
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- After high school graduation you decide to become a chicken farmer. You experiment with several types of packaging, but even with the most secure cartons, 4% of your eggs break during shipping. Assuming that all eggs have the same probability of breaking, what is the probability that a carton of 12 eggs has at most 2 that are broken?This problem involves students who have taken Calculus in high school. Assume that 35 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 75 percent plan to major in science. Of those who did not take calculus in high school, only 20 percent plan to major in science. What is the probability that a randomly selected student plans to major in science?Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students eat pizza and drink soda, what is the probability that a randomly chosen high student will either eat pizza, drink soda, or both?
- Naval intelligence reports that 66 enemy vessels in a fleet of 22 are carrying nuclear weapons. If 99 vessels are randomly targeted and destroyed, what is the probability that at least 55 vessels transporting nuclear weapons were destroyed? Express your answer as a fraction or a decimal number rounded to four decimal places.a. In CSE230, there were 2 assignments this semester. The probability that you would get above average marks in the first and the second assignments are 0.7 and 0.6 respectively. But if someone gets the above average marks in the first assignment, the probability of getting above average marks in the second assignment becomes 0.9. What is the probability to get above average marks in both the assignments?2. The probability that it will rain today is 50%. The probability that it will rain tomorrow is 60%. There is a 30% probability that it will rain both days. What is the probability that it will rain either today or tomorrow?
- Two fair dice are rolled. Event A = {the sum on the two dice is less than seven} Event B = {the two dice show the same number} Event C = {the numbers on the two dice differ by four} i. Find the probability of event A or event B occurring. ii. Find the probability of event A and event C occurring.9-letter words, with or without meaning, are created by using the letters of "MICROWAVE". Blank #1: How many different 9-letter words can be created? Blank #2: How many different 9-letter words are formed where M, W, & V are together? Blank #3: What is the probability of selecting a word with M, W, &V together? (Express Answer as a % to 2 decimal places.) Blank # 1 Blank # 2 Blank # 3 99+ C PV Insert Prtsc Delete Backspace Num Loc 5 6 9. T U 0O G. H. K 11 Enter PgUp Alt Ctrl Home V - 图 * C0 MN INSuppose that 73% of students in a college have a smart phone. If you select three students at random, what is the probability that all three have a smart phone?
- Answer sub part DThe probability that a patient does not recover from a certain disease is 9%. Suppose 19 people are known to have contracted this disease. How many of the 19 patients on average can we expect to recover ?6. Number of Prescriptions When a customer enters a pharmacy, the probabilities that he or she will have 4, 1, 2, or 3 prescriptions filled are 0.60, 0.25, 0.10, and 0.05, respectively. For a sample of 6 people who enter the pharmacy, find the probability that 2 will have 4 prescriptions, 2 wll have 1 prescription, 1 will have 2 prescriptions, and 1 will have 3 prescriptions.