Probability Practice Test 3.1
Solve the Problem
1) If an individual is selected at random, what is the probability that he or she has a birthday in February? Ignore leap years.
2) A question has six multiple choice responses. Find the probability of guessing the correct answer.
3) Which of the following cannot be a probability?
a) 0.001 b) 7 c) .32 d) 0
4
4) At a local racetrack, the favorite in a race has odds of 4:1 in favor of winning. What is the probability the favorite wins the race?
5) At a local racetrack, the favorite in a race has odds of 4:3 against winning. What is the probability that the favorite wins the race?
6) A study of 60 randomly selected flights of a major airline showed that 41 of the flights arrived on time. What is the probability of a flight arriving on time?
7) If one card is drawn from a standard deck of 52 cards, what is the probability of drawing a heart or a club?
8) If one card is drawn from a standard deck of 52 cards, what is the probability of drawing a King?
9) If one card is drawn from a standard deck of 52 cards, what is the probability of drawing a number less than 5?
___Color__|__Brown___|__Yellow__|__Red__|___Green__|__Orange__|__Blue___
Number | 30 | 27 | 6 | 19 | 14 | 14
10) What is the probability of selecting a red candy?
11) What is probability of selecting a green or orange candy?
Classify the statements as an example of classical, empirical, or subjective probability.
12) The probability that a train will arrive on time is .8
a) Classical b) Empirical c) Subjective d) Not Listed
13) The probability that someone slips in the rain is .2
a) Classical b) Empirical c) Subjective d) Not Listed
14) The probability that when a coin is flipped that it will land on heads is .5
a) Classical b) Empirical c) Subjective d) Not Listed
Find the following probabilities: A company selects employees for a random monthly bonus of $1,000. The company uses a computer to select randomly employee numbers that range from 1-240
15) Find the probability of selecting a number less than 200
16) Find the probability of selecting a number greater than 180
17) Find the probability of selecting a number divisible by 100
18) Find the probability of selecting a number divisible by 50
19) Find the probability of selecting a number that is not divisible by 100
20) Find the probability of selecting a number that is not divisible by 50
State whether the following event is SIMPLE or NOT SIMPLE
Lotto ping pong balls numbered 1 – 56
21) Event A: Getting number larger than 50
22) Event B: Getting the number 1