A restaurant has collected data on which of two seating ...

[yoroshambo]

A restaurant has collected data on which of two seating arrangements (A and B) its customers prefer. In a sign test to determine which one seating arrangement is significantly preferred, the null hypothesis would be: (a) M = 0, (b) M = 0.5, (c) p = 0, or (d) p = 0.5 . Explain your choice.

Question 2

Using the standard normal curve, the z-score representing the 75th percentile is 0.67.
  Indicate whether the statement is true or false

[bob]

Answer to Question 1

The right choice is (d); p = P(+) = P(prefer seating arrangement (A) = 0.5 .

Answer to Question 2

T

[yoroshambo]

Excellent

[juliaf]

Gracias!