A card is drawn at random from a deck consisting of cards numbered 2 through 10. a player wins 1 dollar if the number on the card is odd and loses 1 dollar if the number if even. what is the expected value of his win- nings?

Mathematics, added 2021-12-06 14:07:24

A stone pyramid in egypt has a square base that measures 157 m on each side. the height is 95 m. what is the volume of the pyramid? ...

Mathematics, added 2021-12-06 12:54:36

A stone pyramid in egypt has a square base that measures 157 m on each side. the height is 95 m. what is the volume of the pyramid? ...

Mathematics, added 2021-12-05 02:04:24

"assume x is a random variable with mean μ and standard deviation σ . find expressions for the mean and standard deviation of y if this variable is ...

Mathematics, added 2021-12-05 00:07:00

"assume x is a random variable with mean μ and standard deviation σ . find expressions for the mean and standard deviation of y if this variable is ...

Mathematics, added 2021-12-04 20:03:25

Assume that you are about to buy a car. there is a probability of 0.4 that you will purchase a new vehicle, and a probability of 0.5 that you will pu ...

Mathematics, added 2021-12-04 18:34:58

Assume that you are about to buy a car. there is a probability of 0.4 that you will purchase a new vehicle, and a probability of 0.5 that you will pu ...

Mathematics, added 2021-11-27 05:36:53

A food truck sells burgers and hot dogs. During lunch, it sold 88 items for a total of $331. If burgers cost $4.50 and hot dogs cost $3.25, how many ...

Mathematics, added 2021-11-27 03:44:51

A food truck sells burgers and hot dogs. During lunch, it sold 88 items for a total of $331. If burgers cost $4.50 and hot dogs cost $3.25, how many ...

Mathematics, added 2021-11-26 19:32:25

Find a1 and d for an arithmetic sequence with these terms. a3=-8 and a7=32 ...

Mathematics, added 2021-11-26 18:21:16

Find a1 and d for an arithmetic sequence with these terms. a3=-8 and a7=32 ...

Mathematics, added 2021-11-23 11:31:14

A card is drawn at random from a deck consisting of cards numbered 2 through 10. a player wins 1 dollar if the number on the card is odd and loses 1 ...

Mathematics, added 2021-11-23 03:22:38

A card is selected at random from a standard 52-card deck. (a) what is the probability that it is an ace? 4/52 (b) what is the probability that it is ...

Mathematics, added 2021-11-23 01:46:24

A card is selected at random from a standard 52-card deck. (a) what is the probability that it is an ace? 4/52 (b) what is the probability that it is ...

Mathematics, added 2021-11-19 23:12:54

An experiment consists of 400 observations and four mutually exclusive groups. if the probability of a randomly selected item being classified into a ...

Mathematics, added 2021-11-19 21:38:08

An experiment consists of 400 observations and four mutually exclusive groups. if the probability of a randomly selected item being classified into a ...