Suppose approximately 75% of all marketing personnel are extroverts, whereas about 60% of all computer programmers are introverts. (For each answer, enter a number. Round your answers to three decimal places.) (a)  At a meeting of 15 marketing personnel, what is the probability that 10 or more are extroverts? What is the probability that 5 or more are extroverts? What is the probability that all are extroverts? (b)  In a group of 4 computer programmers, what is the probability that none are introverts? What is the probability that 2 or more are introverts? What is the probability that all are introverts?

Suppose you have the numbers 100–999 written on individual pieces of paper and placed in a hat. If you draw a number from the hat, what is the probability that all three digits are different? (State your answer as a probability: a fraction, decimal, or percent).

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 IN

Money bills are frequently printed with defects. The probability that a bill's front side has a defect is 2 percent, the probability that a bill's back side has a defect is 4 percent, and the probability that a bill has defects on both sides is 1 percent. What is the probability that a bill will have a defect on the front, given that it has a defect on its back?

The mean annual salary for nurses is $65,000 with a standard deviation of $7,000.                What is he probability that a randomly selected nurse has a salary less than $60,000?               A random sample of 50 nurses is selected.  What is the probability that the sample mean annual salary is less than $60,000?

Suppose that 51% of the people who inquire about investments at a certain brokerage firm end up investing in stocks, 41% end up investing in bonds, and 61% end up investing in stocks or bonds (or both). What is the probability that a person who inquires about investments at this firm will invest in both stocks and bonds? Write your answer as a decimal (not as a percentage).

help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working

Suppose that 30% of people have a dog, 17% of people have a cat, and 10% of people own both. What is the probability that someone owns a dog or a cat? The probability of a person having a dog or a cat is (Type an integer or a decimal.)