The average delivery time for a pizza delivery service is 27 minutes with a standard deviation of 3 minutes. if a customer were to receive the delivery within one standard deviation from the mean, he would get this pizza
a. between 24 and 30 minutes
b. between 27 and 33 minutes
c. between 27 and 39 minutes
d. between 0 and 24 minutes

a. between 24 and 30 minutes

Explanation:

Lower limit: = average time - standard deviation

                    = 27 - 3 = 24minutes

Upper limit: = average time + standard deviation

                      = 27 + 3 = 30minutes

Therefore,if  a customer were to receive the delivery within one standard deviation from the mean, he would get this pizza between 24 and 30 minutes

a. The LMX focuses only on the behaviors or traits of leaders.

Explanation:

The leader–member exchange (LMX) model of leadership focuses on the relationship between leaders and subordinates.

The model assumes that the leader has a unique relationship with subordinates. The theory suggests that the quality of the relationship between the leader and the subordinate affects the quality of work and decisions of subordinates.

I hope my answer helps you.