: 14-8. How many dice must be thrown so that there is a better than even chance of obtaining at least one six?
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- !!(Hello, I need 1,5,6,7, and 8.)!!! A charity organization hosts a raffle drawing at a fundraising event. The organization sells 2500 tickets at a price of $8 each. Winning tickets are randomly selected, with 30 prizes of $100, 10 prizes of $500, and 1 grand prize of $8000. Suppose you buy one ticket. Let the random variable X represent your net gain from playing the game once (remember that the net gain should include the cost of the ticket). Use the table below to help you construct a probability distribution for all of the possible values of X and their probabilities. (I'm not sure how to organize the numbers in this table)(The numbers are in the paper I sent.) (X) Net Gain Probability 2. Find the mean/expected value of X. (Round to two decimal ) Answer: $-1.6 3. In complete sentences, describe the interpretation of what your value from #2 represents in the context of the Answer: -1.6 represents the amount of money you will lose if you decide to…Example 46. In a single throw with 2 dice find the chance of throwing (i) 8 (ii) 11.A game is played with two fair 6-sided dice. The player rolls the dice. If the sum of the dice is 7 or less, the player loses $4. If the sum of the dice is 8 or 9, the player breaks-even. If the sum of the dice is 10 or greater, the player wins $10. The random variable X is a player’s gain (in $) from playing this game. a) Find P(X = 0). Give your answer as a fraction in lowest terms. P(X = 0) = Blank 1. Fill in the blank, read surrounding text. b) Find E(X). Give your final answer as a decimal. If rounding, give to 2 decimal places. E(X) = Blank 2. Fill in the blank, read surrounding text. dollars c) Find the standard deviation s for the random variable X. Give the final answer as a decimal rounded to 2 decimal places. s = Blank 3. Fill in the blank, read surrounding text. dollars
- Help.* 21. In each of a set of games, it is 2 to 1 in favour of the winner of the previous game; what is the chance that the player who wins the first (K.U.B. Com., April 1999) game shall win at least three of the next four ganes.21. A company in New Jersey is hiring 8 people for a position. Of the applicants, 10 are from New Jersey, 8 are from New York, and 7 are from Pennsylvania. What is the probability that of the 8 people hired, exactly 2 are from New Jersey, and what is the probability at least two are from New Jersey? Round off to 3 decimal places. _________ and ________
- Two fair dice are rolled. What is the probability of getting the following sums?a. 7b. evenc. 1341. In a dice game, one fair die is used. The players wins P20 if he rolls either a 1 or a 6. He loses P10 if he turns up any other face. What is the expected winning for one roll of the die? Answer must be: 0.0Clice. dice. 14-7. (a) Find the probability of getting the sum 7 on at least l of 3 tosses of a pair of fair (b) How many tosses are needed in order that the probability in (a) is greater than 0.95. 25. ojf