Mathematics, 10.03.2021 22:30 johnsonkia873

Elena loves to go fishing. Each time she catches a fish, there is a 70\%70%70, percent chance that it is a northern pike and a 30\%30%30, percent chance it is a walleye. Let XXX be the random variable that represents the number of northern pike Elena gets if she catches 222 fish. X=\# \text{ of pike}X=# of pikeX, equals, \#, start text, space, o, f, space, p, i, k, e, end text 000 111 222
P(X)P(X)P, left parenthesis, X, right parenthesis 0.090.090, point, 09 0.420.420, point, 42 0.490.490, point, 49
Find the expected value of the number of northern pike Elena catches.
E(X)=

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 20:30

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Answers: 2

Answer

Mathematics, 21.06.2019 21:00

How do you write y-10=2 (x-8) in standard form

Answers: 1

Answer

Mathematics, 21.06.2019 23:40

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?

Answers: 1

Answer

You know the right answer?

Elena loves to go fishing. Each time she catches a fish, there is a 70\%70%70, percent chance that i...

Questions