ethanstclair9832 ethanstclair9832

23-11-2017
Mathematics

contestada

There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 333 at random, what is the probability that everyone in the group is a girl?

Respuesta :

laisydaisy7 laisydaisy7

27-11-2017

Probability that nbr1 is a boy is p1 = 6/10.

Probability that nbr2 is a boy, given 5 boys left is 5/9

Probability that nbr3 is a boy given 4 boys left is 4/8

Probability that nbr 4 is a boy given 3 boys left is 3/7

Approximately 0.071 or 7.1%

Answer Link

Otras preguntas

what is 4 over 9 minus 1 over 12 equal simplified?

The equation s x  2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.

what events happened beforeloyalists left boston and philadelphia?

The equation s x  2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.

what events happened beforeloyalists left boston and philadelphia?

What is the simplest form for the product 3/5 •25/36 is?

What is the simplest form for the product 3/5 •25/36 is?

what events happened beforeloyalists left boston and philadelphia?

what events happened beforeloyalists left boston and philadelphia?

The equation s x  2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.