Answer:
The answer is below
Explanation:
Z score is a score used in mathematics to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

The area under the curve is dependent on the z score. The higher the z score, the higher the area under curve and the lower the z score, the lower the area under curve.
a) The area under curve (z score) is inversely proportional to the standard deviation. If the standard deviation is increased, the z score decreases thereby reducing the area under the curve.
b) If the standard deviation is decreased, the z score increases thereby increasing the area under the curve.
Answer:
Social media and the internet at large played an important role in the facilitation of interaction and communication among people who participated in political protests. These protesters made use of social media to organize both pro and anti-governmental demonstrations, pass information to members about the activities of the protests, and also raise both global and local awareness of how the events unfolded.
The utilization of social media in political movements helped in providing opportunities for activists in the formation of online identities for the protest groups. In this light, social media helped in the promotion of competition in the political systems and dialogue.
Explanation:
Answer: What is the author trying to tell you? What do you think this paragraph is about?
The author wants to tell you that Chinook Salmon are a big part of the aquatic food web.
Answer:
C. It's the ringmasters job to hold the show together. if something hour goes wrong they try there best to stall for time.