1997 FIFTH GRADE PROBABILITY & STATISTICS

SCHOOL ___________________________ TEAM_______

1). Find the mean, mode, median and range
of this set of math test scores:
Express mean to the nearest tenth.

75, 92, 88, 75, 100, 96, 88, 90, 88, 78, 86

Mean:___________ Mode: __________

Median:_________ Range: _________

2). From a standard deck of 52 cards,
what is the probability of randomly
drawing a diamond or a queen?


Answer:_________

3). A bag contains 5 red marbles, 3 green marbles,
and 4 blue marbles. How many green marbles
must be added so that the probability
of drawing a green marble is 1/2?

Answer:_________

4). How many ways can a family of 5
be arranged in a straight line for a family portrait?



Answer:_________

5). The field in the picture has shaded and unshaded regions.
A helicopter hovers over the field and drops a water balloon.
What is the probability that the balloon will land in a shaded area?
Express your answer as a fraction in simplest form.

Answer:______________