Question 1

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she gets audited at least once is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 2

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that less than 2 prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 3

If X has a binomial distribution with n = 4 and p = 0.3,then P(X = 1)= ________.

Accepted Answer

The answer of If X has a binomial distribution with...

Question 4

If X has a binomial distribution with n = 5 and p = 0.1,then P(X = 2)= ________.

Accepted Answer

The answer of If X has a binomial distribution with...

Question 5

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that at most 2 prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 6

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The standard deviation of the number of times she will be audited is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 7

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she does not get audited is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 8

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The expected number of times she will be audited is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 9

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that exactly 1 prefers Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 10

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The variance of the number that prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 11

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that more than 3 prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 12

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she gets audited no more than 2 times is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 13

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she gets audited once is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 14

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that exactly 3 prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 15

If X has a binomial distribution with n = 4 and p = 0.3,then P(X > 1)= ________.

Accepted Answer

The answer of If X has a binomial distribution with...

Question 16

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The variance of the number of times she will be audited is ________.

Accepted Answer

The answer of In a game called Taxation and Evasion,a...

Question 17

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that exactly 4 prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 18

The on-line access computer service industry is growing at an extraordinary rate.Current estimates suggest that only 20% of the home-based computers have access to on-line services.This number is expected to grow quickly over the next 5 years.Suppose 25 people with home-based computers were randomly and independently sampled.Find the probability that fewer than 10 of those sampled currently have access to on-line services.

Accepted Answer

The answer of The on-line access computer service industry is...

Question 19

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The average number that you would expect to prefer Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Question 20

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that at least 1 prefers Brand C is ________.

Accepted Answer

The answer of Suppose that past history shows that 60%...

Quiz 5: Some Important Discrete Probability Distributions

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she gets audited at least once is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that less than 2 prefer Brand C is ________.

If X has a binomial distribution with n = 4 and p = 0.3,then P(X = 1)= ________.

If X has a binomial distribution with n = 5 and p = 0.1,then P(X = 2)= ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that at most 2 prefer Brand C is ________.

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The standard deviation of the number of times she will be audited is ________.

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she does not get audited is ________.

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The expected number of times she will be audited is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that exactly 1 prefers Brand C is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The variance of the number that prefer Brand C is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that more than 3 prefer Brand C is ________.

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she gets audited no more than 2 times is ________.

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The probability that she gets audited once is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that exactly 3 prefer Brand C is ________.

If X has a binomial distribution with n = 4 and p = 0.3,then P(X > 1)= ________.

In a game called Taxation and Evasion,a player rolls a pair of dice.If on any turn the sum is 7,11,or 12,the player gets audited.Otherwise,she avoids taxes.Suppose a player takes 5 turns at rolling the dice.The variance of the number of times she will be audited is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that exactly 4 prefer Brand C is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The average number that you would expect to prefer Brand C is ________.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of 5 students is to be selected.The probability that at least 1 prefers Brand C is ________.