# In each case, determine if a binomial random variable is in play. If the random variable does not…

In each case, determine if a binomial random variable is in play. If the
random variable does not follow a binomial distribution, state why.

a) Waiting time of 10 people to be attended at an emergency room.

b) Number of times you get an even number when you roll a dice 3 times.

c) Possible sum obtained from a roll of a dice 5 times.

d) Number of times a coin is tossed until we get a head.

e) Number of times you get a green ball when randomly picking 4 times
(without replacement) from a box with 30 green balls, 15 red balls, 50
black balls, and 5 blue balls.

f) Number of times you get a green ball when randomly picking 4 times
(with replacement by always adding a green ball) from a box with 30
green balls, 15 red balls, 50 black balls, and 5 blue balls.

g) Number of times you get a green ball when randomly picking 4
times (with replacement: placing ball back and shaking box) from
a box with 30 green balls, 15 red balls, 50 black balls, and 5 blue
balls.

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