A university's administrator wishes to estimate the proportion of ...

[futuristic]

A university's administrator wishes to estimate the proportion of graduates who have not found employment in their major field one year after graduation. Obtain a sample size that will ensure a margin of error of at most 0.
 
  04 for a 99 confidence interval. It is deemed reasonable to presume that of those sampled, the proportion who have not found employment will be at most 0.11.
  A) 406 B) 487 C) 235 D) 16

Question 2

The book cost (in dollars) for one semester's books are given below for a sample of five college students. Calculate the sample variance of the book costs.
   295, 170, 420, 455, 340
 
  A) 285.00 B) 12,617.50 C) 336.00 D) 112.33

[Anna]

Answer to Question 1

A

Answer to Question 2

B

[futuristic]

TYSM

[hollysheppard095]

Gracias!