What is the probability that a randomly selected customer will ...

[lbcchick]

What is the probability that a randomly selected customer will spend between 20 and 35?

Question 2

A test for independence is applied to a contingency table with 4 rows and 4 columns. The degrees of freedom for this chi-square test must equal 9.
 a. True
  b. False
   Indicate whether the statement is true or false

[underwood14]

Answer to Question 1

0.711  0.133 = 0.578

Answer to Question 2

TRUE

[lbcchick]

Thanks for the timely response, appreciate it

[covalentbond]

TYSM