lopezemma469 lopezemma469

13-02-2019
Mathematics

contestada

Betty empties her piggy bank, which contains 210 coins, onto her desk
How many of the coins would you expect to be heads up

Respuesta :

19-02-2019

assuming that all the coins are homogeneous, the probability of each coin be on heads is 1/2. so:

[tex]210 \times \frac{1}{2} = 105 \: coins[/tex]

Answer Link

Otras preguntas

Which of the following mathematical expressions is equivalent to the verbal expression “A number, x, squared is 39 more than the product of 10 and x” ? F. 2x =

What is the highest common factor (HCF) of 60 and 45?

How do the media affect which issues the public thinks are important?

Write the quadratic equation whose roots are 2 and -6, and whose leading coefficient is 1 .(Use the letter to represent the variable.) =0

Write and solve a system of equations that represents each situation. Interpret the solution. Neil has a total of twelve $5 and $10 bills in his wallet. He has

How were people punished if they were drunk in the middle ages

How will you describe the pathway of oxygen in the breathing system ?

There are 156, 208 and 260 students in Groups A, B, C respectively. Buses are to be hired to take them for a field trip. Find the minimum number of buses to be

Write and solve a system of equations that represents each situation. Interpret the solution. Neil has a total of twelve $5 and $10 bills in his wallet. He has

1/3 of something = 3