Mathematics, 22.04.2020 23:42 Ideen
Among smartphone users, 40% use a case but no screen protector, 10% use a screen protector but no case, 45% use both a case and a screen protector, and 5% use neither a case nor a screen protector. Twenty smartphone users are sampled at random. Let X1, X2, X3, X4 be the respective numbers of users in the four given categories.
Find P(X1=7, X2=3, X3=8, X4=2).
Answers: 3
Mathematics, 21.06.2019 17:30, 4presidents
Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online
Answers: 1
Mathematics, 21.06.2019 22:30, brooklynpage3930
The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.
Answers: 1
Among smartphone users, 40% use a case but no screen protector, 10% use a screen protector but no ca...
Mathematics, 26.07.2019 22:20