Question 1

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 2

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The probability that more than three prefer Brand C is______.

Accepted Answer

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

Question 3

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 five turns at rolling the dice.T
-he probability that she does not get audited is ______.

Accepted Answer

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

Question 4

Instruction 5.5
A certain type of new business succeeds 60% of the time. Suppose that three such businesses open (where they do not compete with each other, so it is reasonable to believe that their relative successes would be independent).
-Referring to Instruction 5.5,the probability that at least one business succeeds is______

Accepted Answer

The answer of Instruction 5.5
A certain type of new business...

Question 5

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The probability that less than two prefer Brand C is ______.

Accepted Answer

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

Question 6

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The probability that exactly one prefers Brand C is ______

Accepted Answer

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

Question 7

Instruction 5.5
A certain type of new business succeeds 60% of the time. Suppose that three such businesses open (where they do not compete with each other, so it is reasonable to believe that their relative successes would be independent).
-Referring to Instruction 5.5,the probability that exactly one business succeeds is______

Accepted Answer

The answer of Instruction 5.5
A certain type of new business...

Question 8

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The probability that exactly three prefer Brand C is ______

Accepted Answer

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

Question 9

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The variance of the number that 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 five 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 11

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 five turns at rolling the dice.T
- he probability that she gets audited once is ______.

Accepted Answer

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

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 five 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

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The probability that exactly four prefer Brand C is ______

Accepted Answer

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

Question 14

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 15

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 16

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
- The probability that at least one prefers Brand C is ______

Accepted Answer

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

Question 17

Instruction 5.5
A certain type of new business succeeds 60% of the time. Suppose that three such businesses open (where they do not compete with each other, so it is reasonable to believe that their relative successes would be independent).
-Referring to Instruction 5.5,the probability that all three businesses fail is ______

Accepted Answer

The answer of Instruction 5.5
A certain type of new business...

Question 18

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 five 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 19

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The probability that at most two prefer Brand C is ______.

Accepted Answer

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

Question 20

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 five 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...

Quiz 5: Some Important Discrete Probability Distributions

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

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected. -The probability that more than three 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 five turns at rolling the dice.T -he probability that she does not get audited is ______.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected. -The probability that less than two prefer Brand C is ______.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected. -The probability that exactly one prefers Brand C is ______

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected. -The probability that exactly three prefer Brand C is ______

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

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected. -The average number that you would expect to 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 five turns at rolling the dice.T - he probability that she gets audited once 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 five turns at rolling the dice. -The probability that she gets audited no more than 2 times is ______.

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected. -The probability that exactly four 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 five students is to be selected. - The probability that at least one prefers 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 five 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 five students is to be selected. -The probability that at most two 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 five turns at rolling the dice. -The expected number of times she will be audited is ______.