* 00BDQuestion 49Tickets for a raffle cost $9. There were 824 tickets sold. One ticket will be randomly selected as the winner,and that person wins $1200 and also the person is given back the cost of the ticket. For someone who buys aticket, what is the Expected Value (the mean of the distribution)?If the Expected Value is negative, be sure to include the "-" sign with the answer. Express the answer roundedto two decimal places.Expected Value = $%3DSubmit QuestionMacBook AirDDOL08F3F8F5F4F2F1$428.3.MAH>

HERE WE WILL USE PROBABILITY TABLE FOR EXPECTATION

Answered: Tickets for a raffle cost $9. There…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Player His Average Points Other's Average Points Other's Standard Deviation Fredo 153 163 15 Karl 163 183 35 Table 2.57 a. Which player had the higher average points when compared to the other players on his team? Fredo O Karl b. Use Table 2.57 to find the value that is three standard deviations above the mean for each team. Enter the exact answers. Fredo's team: Number Karl's team: Number C. Use Table 2.57 to find the value that is three standard deviations below the mean for each team. Enter the exact answers. Fredo's team: Number Karl's team: Number Next Back Question Menu- Quit & Save Submit Assignment 502 PM 200
The probability of drawing a red face card from a deck of cards. Leave your answer as a percent to the nearest tenth (one decimal) after converting to %. You can leave out the % sign.
← A study considers if the mean score on a college entrance exam for students in 2005 is any different from the mean score of 499 for students who took the same exam in 1975. Let u represent the mean score for all students who took the exam in 2005. For a random sample of 40,000 students who took the exam in 2005, x = 497 and s= 100. Use this information to complete parts a through c below. a. Find the test statistic. t = -4 (Round to two decimal places as needed.) b. Find the P-value for testing Ho: μ = 499 against H₂: μ#499. (Round to three decimal places as needed.) The P-value is ...
Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?
K The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 308 days or longer. b. If the length of pregnancy is in the lowest 3%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click to view page 1 of the table. Click to view page 2 of the table. a. The probability that a pregnancy will last 308 days or longer is (Round to four decimal places as needed.) b. Babies who are born on or before (Round to the nearest integer as needed.) days are considered premature. .
The mean score on a set of 17 tests is 82. Suppose two more students take the test and score 66 and 56. What is the new mean?
You draw a card from a deck. If you get a red card, you win nothing. If you get a spade, you win $6. For any club, you win $12 plus an extra $20 for the ace of clubs. Find the standard deviation of the amount you might win drawing a card.
Suppose the value of a stock varies each day from $16 to $25 with a uniform distribution. Find m.
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The arithmetic mean of a distribution is 5 .The second and the third moments of the distribution about the mean are 20 and 140 respective. Find the third moment of the distribution about 10
Kara has five exam scores of 6363, 5959, 6767, 7575, and 7373 in her biology class. What score does she need on the final exam to have a mean grade of 7070?
If you roll one six-sided die and X = the # on the die. What is the mean value of X?

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