What is the probability that a randomly selected patron is not ...

[serike]

What is the probability that a randomly selected patron is not male?

Question 2

In general, the paired-sample procedure is appropriate when the samples are naturally paired in some way and there is a reasonably large positive correlation between the pairs. In this case, the paired-sample procedure makes more efficient use of the data and generally results in narrower confidence intervals.
 a. True
  b. False
   Indicate whether the statement is true or false

[mochi09]

Answer to Question 1

P(not male) = 1 - 0.7 = 0.3

Answer to Question 2

TRUE

[serike]

Gracias!

[nguyenhoanhat]

Thanks for the timely response, appreciate it