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

what is the value of each variable using the quadratic equation

A fatty material called _____ insulates and protects some axons. a. Schwann cells b. myelin c. interneurons d. nodes

Find A ∩ B if A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10}.

What is the correct way to call function: int my_linear_search(int a[], int size, int key); to search value x in array arr with size SIZE; assume that all varia

Closure of the atriventricular valve occurs when: a. the papillary muscle contracts b. the atrium contracts c. the valve contracts d. pressure inside the ventri

Tapping the patellar tendon will usually result in a/n: A. synapse B. spinal reflex C. meningeal reflex D. neuropathy

You are observing a sample of cells in the lab to determine why they did not divide properly. You notice that the chromosomes are lined up in the middle of the

a superconducting solenoid is to be designed to generate a magnetic field of 10 t if the solenoid winding has 2000 turns meter what is the required current

A plane that divides a three-dimensional figure into mirror images is a(n)

How tall is K2 Mountain?