7.3 Lesson - Word Problems

30. Tom was at bat 50 times and hit the ball 10 times.

What is the experimental probability for hitting the

ball?

31. Tom was at bat 50 times and hit the ball 10 times.

Estimate the number of balls Tom hit if he was at bat

250 times.

32. What is the theoretical probability of randomly

selecting a jack from a deck of cards?

33. Mark rolled a 3 on a die for 7 out of 20 rolls. What is

the experimental probability for rolling a 3?

34. Mark rolled a 3 on a die for 7 out of 20 rolls. What is

the theoretical probability for rolling a 3?

35. Some books are laid on a desk. Two are English, three

are mathematics, one is French, and four are social

studies. Theresa selects an English book and Isabelle

then selects a social studies book. Both girls take their

selections to the library to read. If Truman then selects

a book at random, what is the probability that he

selects an English book?

36. What is the probability of drawing a king or an ace

from a standard deck of cards?

37. What is the probability of drawing a five or a diamond

from a standard deck of cards?

38. Part A

In the simulation, one result was "100." What does this

result simulate?

39. Part B

Use the results of the simulation to estimate the

probability that exactly two of three people selected at

random from those who buy movie tickets will also buy

popcorn.