Z-scores
The number of standard deviations from the mean in either direction on the normal distribution
What is a z-score
The probability of flipping heads on a fair coin
What is 0.5 or 50%
The largest sand desert in the world
What is the Sahara
Contained within 1 standard deviation of the mean on the normal distribution
What is 68%
The time it takes for one revolution of earth around the sun
What is 365 days (ish)
The z-score for the mean
What is 0
The probability of rolling a one on a six sided die
What is 1/6 or 0.1666
The largest country in South America
What is Brazil
Contained within 3 standard deviations from the mean on the normal distribution
What is 99.7%
What is believed to be at the center of all galaxies
What is a black hole
The percentage of the area under the normal curve between z-scores of -1 and 1
What is 68%
The least and greatest values for any probability
What are 0 and 1
The western most Scandinavian country
What is Norway
The area to the left of the mean
What is 50%
The approximate scientifically agreed upon age of the universe (Within 500 million years)
What is 13.8 billion years
The z-score that contains approximately 16% of data to its left
What is -1 or -0.99
The probability of the Bruins winning and losing tonight
What is 0
The southernmost point in the United States
What is Key West, FL
The percentage of the normal distribution NOT within 2 standard deviations of the mean
What is 5%
The two elements that comprise 98% of a star
What are hydrogen and helium
The cut-off z-scores that contain the middle 90% of the normal distribution
What is -1.645 and 1.645
The probability of choosing a data value from a normal distribution that is greater than 3 standard deviations above the mean
What is 0.0013
The island located off the southeastern tip of Austrialia
What is Tasmania
The percentage contained between 1 standard deviation below and 3 standard deviations above the mean
What is 81.85%
The largest moon in the solar system
What is Ganymede?