Mathematics, 05.03.2020 11:32, akeemsimpson15p2034o
In a group of 15 batteries, 3 are dead. You choose 2 batteries at random. a) Create a probability model for the number of good batteries you get. b) What's the expected number of good ones you get? c) What's the standard deviation? a) Create a probability model. Number good 0 1 2 P(Number good) nothing nothing nothing
Answers: 3
Mathematics, 21.06.2019 13:30, baca23jasmine
Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?
Answers: 2
Mathematics, 21.06.2019 18:30, jamilecalderonpalaci
Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2
Answers: 3
Mathematics, 21.06.2019 19:30, kristofwr3444
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?
Answers: 1
In a group of 15 batteries, 3 are dead. You choose 2 batteries at random. a) Create a probability mo...
Mathematics, 20.11.2020 18:40
Mathematics, 20.11.2020 18:40
Mathematics, 20.11.2020 18:40