In a survey of 472 personnel directors, 63 thought that they ...

[crobinson2013]

In a survey of 472 personnel directors, 63 thought that they would be hiring new personnel over the next three months.
 
  Which of the following represents a 98 confidence interval for the proportion of all personnel directors planning to hire personnel over the next three months?A) 0.63  0.057
  B) 0.63  0.047
  C) 0.63  0.042
  D) 0.63  0.052

Question 2

The stem-and-leaf display for summarizing numerical data is a combination of a graphic technique and a sorting technique.
 
  Indicate whether the statement is true or false

[IRincones]

Answer to Question 1

D

Answer to Question 2

TRUE

[crobinson2013]

Gracias!

[isabelt_18]

Thanks for the timely response, appreciate it