Mathematics, 12.07.2019 04:10 bNicholson23

Sandra swims the 100-meter freestyle for her school’s swim team. her state’s ranking system awards 3 points for first place, 2 points for second, 1 point for third, and 0 points if she does not place. her coach used her statistics from last season to design a simulation using a random number generator to predict how many points she would receive in her first race this season
integer value points awarded frequency
1 - 8 3 20
9 - 15 2 12
16 - 19 1 6
20 0 2
what is sandra’s expected value of points awarded for a race?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:20

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

Answers: 2

Answer

Mathematics, 21.06.2019 17:30

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Answers: 3

Answer

Mathematics, 21.06.2019 20:00

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Answers: 3

Answer

Mathematics, 22.06.2019 01:10

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.

Answers: 3

Answer

You know the right answer?

Sandra swims the 100-meter freestyle for her school’s swim team. her state’s ranking system awards 3...

Questions

Mathematics, 12.07.2019 10:00

Which one has a greater average? by how much greater? ? no. 1 > > > > > 24/11 no. 2> > > > > 14/31 which? ? ; -;...

Mathematics, 12.07.2019 10:00

Can someone tell me the answers to 1 and 2 or me...

Mathematics, 12.07.2019 10:00

If sarah works at the concession stand for 2 hours, she’ll earn $ 15.50, but if she works for 4 hours, she’ll earn $ 31. find the rate of change ?...