Regular Probability
The probability a student takes AP Statistics and AP Environmental Science is .05. The probability a student takes AP Statistics is .18. What is the probability a student takes AP Environmental Science given that the student takes AP Statistics?
What is .2778
P(AP Environmental Science l AP Statistics) =
P(AP Environmental Science and AP Statistics) / P(AP Statistics)
Freshman GPAs at Dodgeland High School have a mean of 2.93 and standard devation of .39. What is the probability a student has a GPA of between 2 and 3?
What is .5627
Describes a study which systematically favors certain outcomes.
What is bias?
A car comes in 3 different body styles and 5 different colors. How many possible options are there?
What is 15
The class average on a test was 78 with a standard deviation of 12 points. What is probability a student got 70% or less?
What is .2525
An interval estimate of a parameter calculated using a sample from that population.
What is confidence interval?
How many ways can I choose 8 papers to grade out of a class of 30 students?
What is 5852925
An average female is 5'4'' (64 inches). The standard deviation for average female heights is 2.5 inches. Madee is 5'6". What percentage of women are taller than her?
What is 21.19%
Measures the direction and strength of the linear relationship between two quantitative variables – symbolized as r.
What is correlation?
If I am rolling two fair dice, what is the probability that I roll a 6?
What is 5/36 or 0.138
The average person has 3.64 car collision claims in their lifetime with a standard deviation of 1.11. If Anna is in the bottom 20% of claims, how many claims has Anna had?
What is 2.71 accidents.
The probability that the desired parameter will fall into a confidence interval if many intervals were calculated from samples of the same size.
What is confidence level?
If you roll a fair dice, with sides labeled A, B, C, D, E and F. What is the probability that the dice lands on a vowel?
What is 1/3 or 0.333?
Most graduate schools of business require applicants for admission to take the Graduate Management Admission Council’s GMAT examination. Scores on the GMAT are roughly normally distributed with a mean of 527 and a standard deviation of 112. What is the probability of an individual scoring above 500 on the GMAT?
What is 0.5948?
A value used to help determine significance for a t-test or a Chi-Square test
What is degrees of freedom?