On average people have 6 partners in their life. What is the probability that you will...
On average people have 6 partners in their life. What is the probability that you will have exactly one partner in your life? (Hint: Model it as a Poisson variable)
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On average people have 6 partners in their life. What is the
probability that you will...
5. The number of people entering a store in a given hour is claimed to have...
5. The number of people entering a store in a given hour is claimed to have a Poisson distribution with a mean (lambda) of 5 a. What is the probability that exactly five people will enter the store in one hour? b. Less then five? c. More than five? d. How many people (N) must enter the store in one hour before you should be surprised? (The probability of this event is less than 5%.) Explain. Mention the difference between...
5. The number of people entering a store in a given hour is claimed to have...
5. The number of people entering a store in a given hour is claimed to have a Poisson distribution with a mean (lambda) of 5 a. What is the probability that exactly five people will enter the store in one hour? b. Less then five? c. More than five? d. How many people (N) must enter the store in one hour before you should be surprised? (The probability of this event is less than 5%.) Explain. Mention the difference between...
I have a date at a restaurant. On average, people are on time for dates with...
I have a date at a restaurant. On average, people are on time for dates with variance 5 minutes. How much should I arrive earlier to be sure at 95% that I am there before my date? Hint: Model it as a Gaussian variable. Use calculators of the error function that you can find on the web to compute the appropriate quantile after an adequate change of variables.
A. What is the probability of obtaining exactly 6 events for a Poisson distribution with parameter...
A. What is the probability of obtaining exactly 6 events for a Poisson distribution with parameter u=4.0? B. What is the probability of obtaining at least 6 events for a Poisson distribution with parameter u=4.0?
Recall that a discrete random variable X has Poisson distribution with parameter λ if the probability...
Recall that a discrete random variable X has Poisson
distribution with parameter λ if the probability mass function of
X
Recall that a discrete random variable X has Poisson distribution with parameter λ if the probability mass function of X is r E 0,1,2,...) This distribution is often used to model the number of events which will occur in a given time span, given that λ such events occur on average a) Prove by direct computation that the mean of...
From a group of 6 people, you randomly select 4 of them. What is the probability...
From a group of 6 people, you randomly select 4 of them. What is the probability that they are the 4 oldest people in the group? Give your answer as a fraction
What is the probability that exactly two people and I in a group of 180 people...
What is the probability that exactly two people and I in a group of 180 people in total have birthdays on three consecutive days? Assume the following 1. 365 days in the year (no leap year) 2. Only one person has a birthday on each of those three days Include a leading zero and five digits to the right of the decimal place. Your answer should be of the form 0.12345. Use standard rounding: 0.123454 rounds to 0.12345 and 0.123455...
The probability of having a sibling is 80%. For 6 randomly chosen people, what is the...
The probability of having a sibling is 80%. For 6 randomly chosen people, what is the probability that 5 OR MORE of them have a sibling? Give your answer as 0.XX
6) Two people have the same birth-month if the month or their birth is the same...
6) Two people have the same birth-month if the month or their birth is the same (they don't have to be bom in the same year or day). a)What is the probability that two people have the same birth-month? (Don't just write a number down, briefly state your assumptions or reasoning that allowed you to compute the probability b) What is the minimum number of people needed to guarantee (i.e. probability is one) that at least two of them have...
please help me understand this problem. k people in a room. We would like to find...
please help me understand this problem.
k people in a room. We would like to find the probability that any two people 5. Suppose that there are have birthdays within a day of each other (which we'll call "near-day birthdays"). The number of pairs and the probability that any two people are born within a day of each other is of people would be S4Therefore, we would expect the average number of near-day birthday pairs to be be a Poisson...
5. The number of people entering a store in a given hour is claimed to have a Poisson distribution with a mean (lambda) of 5 a. What is the probability that exactly five people will enter the store in one hour? b. Less then five? c. More than five? d. How many people (N) must enter the store in one hour before you should be surprised? (The probability of this event is less than 5%.) Explain. Mention the difference between...
Recall that a discrete random variable X has Poisson
distribution with parameter λ if the probability mass function of
X
Recall that a discrete random variable X has Poisson distribution with parameter λ if the probability mass function of X is r E 0,1,2,...) This distribution is often used to model the number of events which will occur in a given time span, given that λ such events occur on average a) Prove by direct computation that the mean of...
6) Two people have the same birth-month if the month or their birth is the same (they don't have to be bom in the same year or day). a)What is the probability that two people have the same birth-month? (Don't just write a number down, briefly state your assumptions or reasoning that allowed you to compute the probability b) What is the minimum number of people needed to guarantee (i.e. probability is one) that at least two of them have...
please help me understand this problem.
k people in a room. We would like to find the probability that any two people 5. Suppose that there are have birthdays within a day of each other (which we'll call "near-day birthdays"). The number of pairs and the probability that any two people are born within a day of each other is of people would be S4Therefore, we would expect the average number of near-day birthday pairs to be be a Poisson...
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