Podcast
Questions and Answers
What is the expected number of King’s runners in the first heat?
What is the expected number of King’s runners in the first heat?
- 1.25 (correct)
- 4
- 0
- 2
What is the probability that there will be more than 1 King’s student in the first heat?
What is the probability that there will be more than 1 King’s student in the first heat?
- 0.1813186813
- 0.4532967033
- 0.3653846154 (correct)
- 0.3021978022
What is the probability of getting exactly 2 fours in 5 die tosses?
What is the probability of getting exactly 2 fours in 5 die tosses?
- 0.1607510288 (correct)
- 0.0625
- 0.208896
- 0.3021978022
What is the probability that all four of the Smiths' children will be boys?
What is the probability that all four of the Smiths' children will be boys?
If a batter has a 0.320 batting average, what is the probability they get exactly 1 hit in 3 chances?
If a batter has a 0.320 batting average, what is the probability they get exactly 1 hit in 3 chances?
What is the expected number of hits per game if a batter has a 0.320 batting average?
What is the expected number of hits per game if a batter has a 0.320 batting average?
If the Smiths have four children, what is the probability that at least two of them will be girls?
If the Smiths have four children, what is the probability that at least two of them will be girls?
How many chances does a player get per game if they have a probability distribution for number of hits given?
How many chances does a player get per game if they have a probability distribution for number of hits given?
What is the probability that it takes him 5 at bats?
What is the probability that it takes him 5 at bats?
What is the probability that it takes him less than 4 at bats?
What is the probability that it takes him less than 4 at bats?
What is the probability that the first defective circuit board will be the sixth one tested?
What is the probability that the first defective circuit board will be the sixth one tested?
What is the probability that the first defective circuit board will be among the first six tested?
What is the probability that the first defective circuit board will be among the first six tested?
What is the expected number of circuit boards that would have to be tested until finding a defective one?
What is the expected number of circuit boards that would have to be tested until finding a defective one?
Using Pascal’s Identity, which of the following expressions simplifies correctly?
Using Pascal’s Identity, which of the following expressions simplifies correctly?
What is the expected value of the number of bad apples drawn from the basket of 12 apples?
What is the expected value of the number of bad apples drawn from the basket of 12 apples?
What is the probability of drawing at least one face card in a 5-card hand from a standard deck of 52 cards?
What is the probability of drawing at least one face card in a 5-card hand from a standard deck of 52 cards?
In a hypergeometric probability distribution, what is the probability of drawing a specific number of success outcomes?
In a hypergeometric probability distribution, what is the probability of drawing a specific number of success outcomes?
What is the expected value of the number of face cards drawn in a 5-card hand from a standard deck of 52 cards?
What is the expected value of the number of face cards drawn in a 5-card hand from a standard deck of 52 cards?
What is the probability distribution of the number of bad apples drawn from a basket of 12 apples?
What is the probability distribution of the number of bad apples drawn from a basket of 12 apples?
What is the probability of drawing 2 face cards in a 5-card hand from a standard deck of 52 cards?
What is the probability of drawing 2 face cards in a 5-card hand from a standard deck of 52 cards?
What is the probability distribution of the number of students from King’s running in the first heat?
What is the probability distribution of the number of students from King’s running in the first heat?
What is the expected value of the number of students from King’s running in the first heat?
What is the expected value of the number of students from King’s running in the first heat?
What is the probability that a customer at Fiona’s Fine Foods takes exactly 5 minutes?
What is the probability that a customer at Fiona’s Fine Foods takes exactly 5 minutes?
What is the expected length of a typical sale at Fiona’s Fine Foods?
What is the expected length of a typical sale at Fiona’s Fine Foods?
What is the probability of winning $500 in the school fundraising lottery?
What is the probability of winning $500 in the school fundraising lottery?
What is the expected value of a ticket in the school fundraising lottery?
What is the expected value of a ticket in the school fundraising lottery?
What would be your expected loss if you buy one lottery ticket for $25?
What would be your expected loss if you buy one lottery ticket for $25?
What is the probability that a randomly selected high school student speaks three languages?
What is the probability that a randomly selected high school student speaks three languages?
What is the validity criterion for the probability distribution of languages spoken by high school students?
What is the validity criterion for the probability distribution of languages spoken by high school students?
What is the expected number of languages spoken by a randomly selected high school student if probabilities are: $P(1) = 0.630$, $P(2) = 0.295$, $P(3) = 0.065$, $P(4) = 0.008$, $P(5) = 0.002$?
What is the expected number of languages spoken by a randomly selected high school student if probabilities are: $P(1) = 0.630$, $P(2) = 0.295$, $P(3) = 0.065$, $P(4) = 0.008$, $P(5) = 0.002$?
What is the probability that Pitu gets all 10 questions right?
What is the probability that Pitu gets all 10 questions right?
If you buy ten cups of coffee with a 20% chance of winning a prize per cup, what is the expected number of prizes you would win?
If you buy ten cups of coffee with a 20% chance of winning a prize per cup, what is the expected number of prizes you would win?
In a batch of 100 computer chips with a 0.9% defect rate, what is the probability that exactly 1 chip is defective?
In a batch of 100 computer chips with a 0.9% defect rate, what is the probability that exactly 1 chip is defective?
What is the probability that at least 3 out of 100 computer chips are defective if the defect rate is 0.9%?
What is the probability that at least 3 out of 100 computer chips are defective if the defect rate is 0.9%?
In Monopoly, if the only way to get out of jail is rolling doubles, what is the probability that it takes more than 3 turns to roll doubles?
In Monopoly, if the only way to get out of jail is rolling doubles, what is the probability that it takes more than 3 turns to roll doubles?
How many attempts would you expect to have to roll the dice to get doubles once in Monopoly?
How many attempts would you expect to have to roll the dice to get doubles once in Monopoly?
What is the probability that less than 5 out of 100 computer chips are defective with a 0.9% defect rate?
What is the probability that less than 5 out of 100 computer chips are defective with a 0.9% defect rate?
What is the probability that Pitu gets at least eight questions right if $P(X ext{>=} 2)$ is 0.26171875?
What is the probability that Pitu gets at least eight questions right if $P(X ext{>=} 2)$ is 0.26171875?
