Page 70 - Algebra 1

Investigation Practice
Describe each of the following events as impossible, unlikely, as likely as not, likely, or certain.
a. Gavin rolls an even number on a number cube.
b. In the northern hemisphere, the temperature will get above 90oF in the month
of July.
c. The first person that Sonya meets is a left-handed person.
d. A player with a batting average of .875 gets a hit on his next at bat.
Jamie spun a game spinner and recorded the results in the table.
e. What is the probability of landing on A? on B? on C? Express each probability as a fraction and as a percent.
f. Predict Which letter will Jamie most likely spin? Explain your reasoning.
g. Sports Ifabaseballplayerhas18hitsin50atbats,whatistheprobabilitythat he will get a hit in his next at bat? Express your answer as a decimal number in the thousandths place.
h. According to a survey at Johnson High School, 1 in 4 students has a part-time job. Conduct a simulation to determine the experimental probability of a student having a part-time job in a random group of 25 students.
Outcome
Frequency
A
9
B
6
C
10
Investigation 1 55