Like the normal distribution, the exponential density function ...

[sdfghj]

Like the normal distribution, the exponential density function f(x):
 a. is bell-shaped.
  b. is symmetrical.
  c. approaches infinity as x approaches zero.
  d. approaches zero as x approaches infinity.

Question 2

Historically, a company that mails its monthly catalog to potential customers receives orders from 8 percent of the addresses. If 500 addresses are selected randomly from the last mailing, what is the probability that between 35 and 50 orders were received from this sample?
 a. 0.0496
  b. 0.2049
  c. 0.7444
  d. 0.7951
  e. 0.9504

[brbarasa]

Answer to Question 1

D

Answer to Question 2

C

[sdfghj]

Wow, this really help

[mochi09]

Gracias!