This question has 2 part(s).

This question has 2 part(s). - চর্চা

Working with Distributions

1. This question has 2 part(s).

1WRITTEN (4 pts)

1.1. The table below shows five scenarios involving different random variables. Complete the table by placing a cross (×) in the correct box to indicate whether the random variable can be modelled by a binomial distribution, a normal distribution or neither. The first scenario is completed for you.

Scenario	Binomial	Normal	Neither
The digits 1 to 9 are written on individual counters and placed in a bag. A child randomly selects one of the nine counters. The random variable A represents the number that is written on the selected counter.			$\times$
A farmer has many hens. The random variable B represents the mass of a randomly selected hen.
A fair coin is flipped 100 times. The random variable $C$ represents the number of times it lands on tails.
A teacher has a 30-minute break for lunch. The random variable $D$ represents the number of emails he receives during his lunch break.
In a class of 30 students, each student rolls a fair six-sided dice with sides labelled 1 to 6. The random variable E represents the number of students who roll a number less than 5.