probability

1. Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 20 2 4 26 Female 18 6 13 37 Total 38 8 17 63 If one student is chosen at random, find the probability that the student did NOT get an "B". Give your answer as a reduced fraction. P(student did NOT get an "B") = 2. The letters in the word ARIZONA are arranged randomly. Write your answers in decimal form. Round to the nearest thousandth as needed. What is the probability that the first letter is A? What is the probability that the first letter is Z? | What is the probability that the first letter is a vowel? What is the probability that the first letter is H? 3. A card is drawn randomly from a standard 52-card deck. Find the following: Write all answers as simplified fractions (not mixed numbers). a. Probability the card drawn is a face card b. Probability the card drawn is not a face card. c. Odds in favor of drawing a face card d. Odds against drawing a face card 4. An American roulette wheel has 38 slots; 18 red, 18 black, and 2 green What are the odds for the ball landing in a green slot? to What are the odds against the ball landing in a green slot? to 5. Suppose the probability of an event is 39/46. What are the odds for the event happening? to What are the odds against the event happening? to 6. The probability that event A will occur is P(A)=0.3. a. What is the probability (in decimal form) that event A will not occur? P(A_)= b. What are the odds for event A? / to c. What are the odds against event A? Simplify your answers