Mathematics, 03.03.2020 04:31 denareena97

After scoring a touchdown, a football team may elect to attempt a two-point conversion, by running or passing the ball into the end zone. If successful, the team scores two points. For a certain football team, the probability that this play is successful is 0.80.1. Let X = 1 if successful, X = 0 if not. Find the mean and the variance of X. Round the answers to two decimal places. The mean of X is = .The variance of X is =2. Let Y be the number of points scored. Find the mean and variance of Y. Round the answers to two decimal places. The mean of Y is =The variance of Y is =

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:30

An equation where variables are used to represent known values—function notation true or false

Answers: 2

Answer

Mathematics, 21.06.2019 17:00

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Answers: 1

Answer

Mathematics, 21.06.2019 21:10

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Answers: 3

Answer

Mathematics, 21.06.2019 22:30

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

Answers: 1

Answer

You know the right answer?

After scoring a touchdown, a football team may elect to attempt a two-point conversion, by running o...

Questions

Mathematics, 03.05.2021 18:30

In a auditoritoruim , 1 sixth of the students are 5th graders ,1 third are fourth graders , and 1 fourth of the reimaining stdents are 2nd graders . I...