UPS 3 (Data & Probability)

What the probability of girls have blonde hair?

• 0.15

• 0.3

• 0.32

• 0.48

A bag contains 5 red marbles and 4 pink marbles. A marble is randomly drawn and then replaced. What is the probability the first marble is pink and the second is red?

• 0.2694

• 0.2469

• 0.4692

• 0.2964

How many senior boys play football or wrestle?

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

What is P(Foreign language | Sport)?

• 14/27

• 7/12

• 24/50

• 14/50

There are seven boys and seven girls in a class. The teacher randomly selects one student to answer a question. Later, the teacher randomly selects a different student to answer another question. What is the probability that the first student is a boy and the second student is a girl?

A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. What is the probability that both pieces of fruit are apples.

What is the probability that they speak French given that they are a girl? 

• 0.214

• 0.24

• 0.4

• 0.857

Mean is ...

• The sum of all the values in the data set divided by the number of values in the data set.

• the most frequent score in the data set

• average

• the middle score for a set of data that has been arranged in order of magnitude

Mode is ...

• The sum of all the values in the data set divided by the number of values in the data set.

• the most frequent score in the data set

• average

• the middle score for a set of data that has been arranged in order of magnitude