Think of DISCRETE random variables for the following experiments and note down w
ID: 3389868 • Letter: T
Question
Think of DISCRETE random variables for the following experiments and note down which of the discrete distributions are these likely to take (Normal / Binomial / Poisson / Hypergeometric)?
Experiment
Random variable
Normal/ Binomial/ Poisson/ HG?
Take a 20 question exam
Number of questions answered correctly
Observe cars wash clients for an hours
Audit 50 tax returns
Observations of employee working
Number of nonproductive hours in an 8-houer workday
Weight a shipment of good
Going from Riga to Vilnius by car
Tossing a coin
People queuing for sandwiches
Male vs Female from a population
Watching a movie
Gambling in poker
Working as a bus driver for 5 days
Choosing a toothpaste a store
Selecting marbles from a basket (green / red)
Open enrollment un universities (usually in May each year)
Observing a patient heart beat
Family expecting a baby
Teacher grading papers
Asking respondent to rate product quality on a 5point scale
Saying “Hello” to random people on the street
Calling 10 random numbers
Sending unexpected gifts to friends
Guessing PIN to a friend’s phone
Experiment
Random variable
Normal/ Binomial/ Poisson/ HG?
Take a 20 question exam
Number of questions answered correctly
What is this exatly?Observe cars wash clients for an hours
Number of cars arriving at tollboothAudit 50 tax returns
Number of returns containing errorsObservations of employee working
Number of nonproductive hours in an 8-houer workday
Weight a shipment of good
Number of kilogramsGoing from Riga to Vilnius by car
Number of kilometersTossing a coin
People queuing for sandwiches
Male vs Female from a population
Watching a movie
Gambling in poker
Working as a bus driver for 5 days
Choosing a toothpaste a store
Number of different type of toothpasteSelecting marbles from a basket (green / red)
Open enrollment un universities (usually in May each year)
Observing a patient heart beat
Family expecting a baby
Teacher grading papers
Asking respondent to rate product quality on a 5point scale
Saying “Hello” to random people on the street
Calling 10 random numbers
Sending unexpected gifts to friends
Guessing PIN to a friend’s phone
Explanation / Answer
Think of DISCRETE random variables for the following experiments and note down w
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