MISSING


1.       Accidents happen parallel a 5-mile reach of pathway at a equable reprimand. The subjoined “curve” depicts the appearance hebetude character for garbs parallel this reach:

 

 

a)      What is the appearance that an garb happenred in the foremost mile parallel this reach of pathway?

b)      What is the appearance that an garb did not happen in the foremost mile?

c)       What is the appearance that an garb happenred among miles 2.5 and 4?

 

 

2.       Suppose there were 4,065,014 births in a attached year. Of those births, 2,081,287 were boys and 1,983,727 were girls.

 

a)      If we randomly excellent two women from the population who then grace significant, what is the appearance twain posterity earn be boys?

b)      If we randomly excellent two women from the population who then grace significant, what is the appearance that the foremost woman’s offshoot earn be a boy and the assist woman’s offshoot earn be a boy?

c)       If we randomly excellent two women from the population who then grace significant, what is the appearance that twain posterity earn be boys attached that at lowest one offshoot is a boy?

 

 

3.       Explain the unlikeness among mutually esoteric and stubborn events.

 

 

4.       Suppose a screening ordeal has a sensitivity of 0.80 and a false-independent reprimand of 0.02. The ordeal is used on a population that has a indisposition operation of 0.007. Find the appearance of having the indisposition attached a independent ordeal conclusion.