Probability & Statistics G11- 2nd Sem-Midterm Exam

If TWO coins are tossed once, which is NOT a possible value of the random variable for the number of heads?

• 0

• 1

• 2

• 3

Which of the following is a discrete random variable?

• Length of wire ropes

• Number of soldiers in the troop

• Amount of paint used in repainting the building

• Voltage of car batteries

If THREE coins are tossed once, which is NOT a possible value of the random variable for the number of heads?

• 1

• 3

• 2

• 4

How many ways (Outcome) are there in tossing TWO coins once?

• 4

• 3

• 2

• 1

It is a numerical quantity that is assigned to the outcome of an experiment.

• random variable

• variable

• probability

• probability distribution

In how many ways can two coins fall?

• 4

• 3

• 2

• 1

If three coins are tossed, in how many ways can they fall?

• 10

• 9

• 8

• 7

In how many ways can a die fall?

• 6

• 7

• 8

• 9

In how many ways can two dice fall?

• 6

• 8

• 12

• none of the above

How many ways are there in tossing one coin and rolling a die?

• 6

• 8

• 12

• 14