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 .5627?
A discrete random variable follows a ----- if it counts the number of trials needed to obtain the first success.
What is geometric distribution?
A truck comes in 5 different colors and 3 different models. 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?
The ----- is all the possible individuals that can be sampled.
How many ways can I pick 8 students to win a prize out 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%?
A sample is ------ if the method used is consistently unrepresenting or favoring certain groups within the population.
What is biased?
If I roll two fair dice, what is the probability that the numbers add up to more than 6?
What is .583
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 ---- is used to find the probability of the union of two events.
What is the addition rule?
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 one-third?
Scores on a test 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 this test?
What is .5948?
---- ---- is when a population is first divided into two distinct groups.
What is stratified sampling?