Section 3.1 Probability

Take a six sided die and throw it twice. The picture is a list of all possible results. What is this list called?

• Sample Space

• Outcomes

• Fundamental Counting Principal

• Independent probability

Three people are chosen at random. What is the probability that they are all universal donors? (O neg)

• 7%

• 21%

• .03%

• .3%

A license plate has three digits followed by three letters. How many different digit/letter combinations are possible?

(digits and letters can be repeated).

• 3(10) + 3(26)

• 10³ + 26³

• 9³ + 26³

• 10³(26)³

What is the probability of brown eyes given that the person is a female?

• ³⁰/₈₅

• ⁴⁵/₁₆₇

• ³⁰/₁₆₇

• ⁴⁵/₈₅

A bowl of jelly bellies is on the table. 6 black licorice and 14 pear flavors. A student grabs one, smells that it is black licorice and returns it to the bowl. What is the probability that three in a row will be black licorice flavored?

• ( ⁶/₁₄)

• ( ⁶/₁₄)³

• ( ⁶/ ₂₀)³

• (⁶/₂₀)(⁵/₁₉)(⁴/₁₈)

A bowl of jelly bellies is on the table. 6 black licorice and 14 pear flavors. Mrs. Hettinger grabs one, smells that it is black licorice and pops the delicious bean into her mouth! What is the probability that three in a row will be black licorice flavored?

• (⁶/₁₄)(⁵/₁₃)(⁴/₁₂)

• (⁶/₂₀)

• (⁶/₂₀)³

• (⁶/₂₀)(⁵/₁₉)(⁴/₁₈)

A bowl of jelly bellies is on the table. 6 black licorice and 14 pear flavors. Mrs. Hettinger grabs one, smells that it is black licorice and eats the delicious candy! The probability that the second bean will be black licorice is ⁵/₁₉. What type of probability does this represent?

• Independent Probability

• Dependent Probability

A survey found that 8 out of 10 parents approved of the new principal’s performance. If 4 parents’ names are chosen, with replacement, what is the probability they all approve of the principal’s performance

A survey found that 6 out of 10 parents approved of the new principal’s performance. If 3 parents’ names are chosen, with replacement, what is the probability that at least one approves of the principal’s performance?

• 0.216

• 0.064

• 0.936

• 0.640

Which shows the sample space for flipping two coins?

• H, T

• HH, HT, TH, TT

• HH, TT

• Dime, Nickel