Mathematics, 02.07.2020 20:01 moongirl4791
There are 870 boys and 800 girls in a school The probability that a boy chosen at random studies Spanish is 2 thirds the probability that a girl chosen at random studies Spanish is three fifths. Work out the number of students in the school who study Spanish
Answers: 3
Mathematics, 21.06.2019 18:30
Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.
Answers: 3
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 21.06.2019 21:30
Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.
Answers: 2
Mathematics, 21.06.2019 22:00
Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square
Answers: 1
There are 870 boys and 800 girls in a school
The probability that a boy chosen at random studies Sp...
Mathematics, 28.07.2019 15:30
Computers and Technology, 28.07.2019 15:30
Mathematics, 28.07.2019 15:30
Social Studies, 28.07.2019 15:30
History, 28.07.2019 15:30
Social Studies, 28.07.2019 15:30
Mathematics, 28.07.2019 15:30
Mathematics, 28.07.2019 15:30
History, 28.07.2019 15:30