Mathematics, 14.10.2021 22:10 kamkamkab
Tickets for a raffle cost
$6. There were 743 tickets sold. One ticket will be randomly selected as the winner, and that person wins
$1100 and also the person is given back the cost of the ticket. For someone 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 answer rounded to two decimal places.
Answers: 1
Mathematics, 21.06.2019 19:00
Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup
Answers: 1
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0
Answers: 2
Mathematics, 21.06.2019 21:20
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
Tickets for a raffle cost
$6. There were 743 tickets sold. One ticket will be randomly selected as...
Computers and Technology, 06.03.2020 23:59