The probability that Pete will catch fish when he goes fishing is ...

[casperchen82]

The probability that Pete will catch fish when he goes fishing is .8 . Pete is going to fish 3 days next week. Define the random variable x to be the number of days Pete catches fish. The expected number of days Pete will catch fish is
 a. .6
   b. .8
   c. 2.4
   d. 3

Question 2

The symbol used for the variance of the sample is
 a. .
  b. 2.
  c. s.
  d. s2.

[raenoj]

Answer to Question 1

c

Answer to Question 2

d

[casperchen82]

Great answer, keep it coming

[Joy Chen]

Thanks for the timely response, appreciate it