Tickets for a raffle cost $14. There were 816 tickets sold. One ticket will be randomly selected as thewinner, and that person wins $1300 and also the person is given back the cost of the ticket. Forsomeone who buys a ticket, 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 answerrounded to two decimal places.

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Answered: Tickets for a raffle cost $14. 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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th Last year over 8000 students took an entrance exam at a certain state university. Tom's score was at the 55 percentile. Leila's score was at the 86 percentile. (a) Which of the following must be true about Tom's and Leila's scores? O Tom scored higher than Leila. O Both Tom and Leila scored higher than the median. O Leila answered 31 more questions correctly than Tom. O Tom's and Leila's scores were both in the bottom half of all scores. (b) Which of the following must be true about Tom's score? O Tom scored lower than about 55% of the students who took the exam. O Tom got about 55% of the questions correct. Tom scored higher than about 55% of the students who took the exam. Tom got about 55% of the questions wrong. Submit Assignme Continue iert 144 %23 4. 6. 8 R Y U H K L A. D paus V. B M alt ctri alt USE YOUR Dew de LL
For example, let us assume that the mean quantity of cholesterol in eggs is 185 milligrams with a standard variation of 8 milligrams. Calculate the probability that the mean amount of cholesterol in a sample of 44 eggs will be within 3 milligrams of the mean amount of cholesterol in the general population.
An industrial designer wants to determine the average amount of time an adult spends building an easily installed toy. Using data from a random sample (in minutes), estimate the mean of the population from which the sample was selected with 95% probability.
The median for the set of sample measurement { -10,-8,-4,-2,0,6,11} a. -2 b. -1 c. 0 d. 6
Suppose you pay $500 per year to insure your car worth $10,000. The probability that you get in an accident, totaling the car, in any year is 0.001. Find your standard deviation for the insurance. Round your answer to the nearest dollar.
A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
5: Cal Poly has a vested interest in finding out the level to which its students are content with the various courses offered. They are curious to learn what proportion of students are pleased with the courses they are enrolled in at the moment. The provost believes that 27 % of Cal Poly students are pleased with the courses. A group was asked in front of the library if they were content with the various courses offered. Out of the 113 students asked, 31 students were content with the various courses offered
Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviation a = 15. Find the probability that a randomly selected adult has an IQ between 91 and 119. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 91 and 119 is. (Type an integer or decimal rounded to four decimal places as needed.) Enter your answer in the answer box. MacBook Air esc 888 %23 & 2 3 4 5 6 7 8 Q E R T Y tab P A D G H caps lock K V в N M > ? control option command command option
Find the mean of the following values.2, 6, 10, 14, 20, 32
If you roll one six-sided die and X = the # on the die. What is the mean value of X?
The distances golf balls travel under laboratory testing conditions are normally distributed. The mean is 312 yards. The probability the golf ball travels further than 319 yards is 0.28. Find the probability a randomly selected golf ball travels between 305 yards and 319 yards. Express the answer as a decimal value rounded to the nearest hundredth.

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