One family is picked at random from all of the families in

Reference no: EM13615030

In a certain town, 10% of the families have no children, 10% have one child, 40% have two children, 30% have three children, and 10% have four children. Assume that births are independent of each other, and equally likely to produce male or female.

a) One family is picked at random from all of the families in this town. What is the probability that there are at least two children in the family?

b) One family is picked at random from all of the families in this town. Guess the size of the family, given that it has at least two girls. Give reasons for your guess.

c) A family is picked at random from among the families with four children. Then, a child is picked at random from the selected family. What is the chance that the child picked is a girl with at least one brother?

Reference no: EM13615030

Questions Cloud

Revenues and expenses vary little from month to month : benjamin ohenry has owned and operated ohenrys dataservices since its beginning ten years ago. from all appearancesthe

List three measures one can take to increase the power of : list three measures one can take to increase the power of an experiment. explain why your measures result in greater

A component with a 34 ohm resistor is rated for use at : a component with a 34 ohm resistor is rated for use at power levels not exceeding 2059 mw. how much current can safely

An outside supplier has offered to provide part x at a : mcgraw company uses5000 units of part x each year as a component in the assembly ofone of its products. the company is

One family is picked at random from all of the families in : in a certain town 10 of the families have no children 10 have one child 40 have two children 30 have three children and

Determine the potential energy when the position is : a simple harmonic oscillator of amplitude a has a total energy e. a determine the kinetic energy when the position is

What would be the effect on the companys overall net : the management of schmader corporation is considering droppingproduct m12c. data from the companys accounting

Fausnaught corporation has two major business segments : fausnaught corporation has two major business segments -retail and wholesale. in october the retail business segment

On january 1 2001 sunshine corporation had 40000 shares : on january 1 2001 sunshine corporation had 40000 shares of10 par value common stock issued and outstanding. all

User Account

All Pages