Author Question: _________ is the amount of ink used in a graph that is devoted to non-redundant display of the data. ... (Read 30 times)

fox · **on:** Jul 25, 2018

_________ is the amount of ink used in a graph that is devoted to non-redundant display of the data.

A) a scale break B) chart junk C) data-ink D) the lie factor

Question 2

Suppose the number of babies born during an eight-hour shift at a hospital's maternity wing follows a Poisson distribution with a mean of 5 an hour. Find the probability that exactly three babies are born during a randomly selected hour.

What will be an ideal response?

scrocafella · **Reply #1 on:** Jul 25, 2018

Answer to Question 1

C

Answer to Question 2

Let x = the number of babies born during a one hour period at this hospital's maternity wing.
Then x is a Poisson random variable with = 5.

P(x = 3 ) = 0.140374