Cairo University Quiz 1

Quantitative data can be classified as discrete or continuous. (True - False)

• True

• False

Qualitative data includes data such as ages, weight, or height. (True - False)

• True

• False

The mean of a sample is always equal to the mean of the population. (True - False)

• True

• False

The sample space of a random experiment includes all possible outcomes of the experiment. (True - False)

• True

• False

Two events are mutually exclusive if P(A ∩B)>0. (True - False)

• True

• False

For two independent events A and B, which of the following is correct?

• P(A∩B) = P(A)+P(B)

• P(A∩B) = P(A)P(B)

• P(A∪B) = P(A)P(B)

• P(A|B)=P(B)

What is the probability of drawing a card less than 7 and greater than 3 from a standard deck of 52 cards?

• 3/13

• 2/13

• 3/52

• 3/50

Two dice are rolled. What is the sample size?

• 6

• 16

• 36

• 64

A bag contains 12 red balls, 8 green balls and 18 blue balls. What is the probability of not picking a green ball?

• 8/38

• 12/38

• 30/38

• 18/38