bradyanime
bradyanime bradyanime
  • 03-04-2017
  • Mathematics
contestada

Jana has a number cube numbered 1 to 6. She plans to roll the cube 78 times. Predict the number of times Jana will roll a 2.

Respuesta :

LammettHash
LammettHash LammettHash
  • 03-04-2017
The probability of rolling a 2 is [tex]\dfrac16[/tex] for any one roll of the cube.

In 78 rolls, the expected number 2s would be [tex]\dfrac{78}6=13[/tex].
Answer Link

Otras preguntas

What will happen to the volume if the number of moles of a gas is decreased at constant temperature and pressure?
A balanced economy generally has which economic stance
what idea is rooted in the concept of natural law
Which of the following subjects is part of the social sciences
A car slows down from 23 m/s to rest in a distance of 85 m. what was its acceleration, assmed constant
Twice a number increased by 3 is 45. What is the number?
The chain of volcanoes along the west coast of south america (the andes mountains) exists because
Does 3.2 - 4d=2.3d+3 no solution or identity
English question down below
What side lengths should be used to model a rectangle with an area of x2 + 3x – 10 square units? x – 5 and x + 2 x – 2 and x + 5 x and x + 3 x + 3 and x –