Probability Questions & Answers

In \( 1970,91.9 \% \) of American 30 -year-olds eamed more than their parents did at age 30 (adjusted for inflation). In 2014 , only \( 50.7 \% \) of Av (a) What is the probability a randomly selected 30 -year-old in 1970 earned more than their parents at age 30 ? The probability is 0.9190 . (Round to four decimal places as needed.) (b) What is the probability that two randomly selected 30 -year-olds in 1970 earned more than their parents at age 30 ? The probability is (Round to four decimal places as needed.)

mework In \( 1970,91.9 \% \) of American 30 -year-olds eamed more than their parents did at age 30 (adjusted for inflation). In 2014, only \( 50.7 \% \) of American 30 -y (a) What is the probability a randomly selected 30 -year-old in 1970 earned more than their parents at age 30? The probability is (Round to four decimal places as needed)

According to the U.S. Census Bureau, the probability that a randomly selected worker primarily drives a car to work is 0.7636 . parts (a) through (d). (a) What is the probability that a randomly selected worker primarily drives a car or takes public transportation to work? P (worker drives a car or takes public transportation to work) \( = \) (Round to four decimal places as needed.)

A probability experiment is conducted in which the sample space of the experiment is \( S=\{1,2,3,4,5,6,7,8,9,10,11,12\} \), event \( F=\{5,6,7,8,9,10\} \), and event \( G=\{9,10,11,12) \). Assu outcomes in \( F \) or \( G \). Find \( P(F \) or \( G) \) by counting the number of outcomes in \( F \) or \( G \). Determine \( P(F \) or \( G) \) using the general addition rule. List the outcomes in \( F \) or \( G \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. For \( G=\{5,6,7,8,9,10,11,12\} \) (Use a comma to separate answers as needed.) B. F or \( G=\{ \} \) Find P(F or \( G) \) by counting the number of outcomes in \( F \) or \( G \). \( P(F \) or \( G)=0.667 \) (Type an integer or a decimal rounded to three decimal places as needed.) Determine \( P(F \) or \( G) \) using the general addition rule. Select the correct choice below and fill in any answer boxes within your choice. (Type the terms of your expression in the same order as they appear in the original expression. Round to three decimal places as needed.) A. \( P(F \) or \( G)=\square+\square-\square=\square \) B. P(F or \( G)=\square+\square \)

probability experiment is conducted in which the sample space of the experiment is \( S=\{1,2,3,4,5,6,7,8,9,10,11,12\} \), event \( F=\{5,6,7,8,9,10\} \), and event \( G=\{9,10,11,12\} \). Ass itcomes in \( F \) or \( G \). Find \( P(F \) or \( G) \) by counting the number of outcomes in \( F \) or \( G \). Determine \( P(F \) or \( G) \) using the general addition rule. A. For \( G=\{ \} \) (Use a comma to separate answers as needed.) B. F or \( G=\{ \} \)

A probability experiment is conducted in which the sample space of the experiment is \( S=\{1,2,3,4,5,6,7,8,9,10,11,12\} \), event \( F=\{5,6,7,8,9,1 \) outcomes in \( F \) or \( G \). Find \( P(F \) or \( G) \) by counting the number of outcomes in \( F \) or \( G \). Determine \( P(F \) or \( G) \) using the general addition rule. List the outcomes in \( F \) or \( G \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. \( F \) or \( G=\{? \) (Use a comma to separate answers as needed.) B. F or \( G=\{ \} \)

A probability experiment is conducted in which the sample space of the experiment is \( S=\{7,8,9,10,11,12,13,14,15,16,17,18\} \), event \( F=\{7,8,9,10,11,12\} \), and ev the outcomes in \( F \) or \( G \). Find \( P(F \) or \( G) \) by counting the number of outcomes in \( F \) or \( G \). Determine \( P(F \) or \( G) \) using the general addition rule, List the outcomes in \( F \) or \( G \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. F or \( G=\{7,8,9,10,11,12,13,14\} \) (Use a comma to separate answers as needed.) B. F or \( G=\{ \} \) Find \( P(F \) or \( G) \) by counting the number of outcomes in \( F \) or \( G \). \( P(F \) or \( G)= \)

A probability experiment is conducted in which the sample space of the experiment is \( S=\{4,5,6,7,8,9,10,11,12,13,14,15\} \), event \( E=\{4,5,6,7,8,9\} \) outcomes in \( E \) and \( G \). Are \( E \) and \( G \) mutually exclusive? List the outcomes in \( E \) and \( G \). Choose the correct answer below. A. E and \( G=\{\square\} \) (Use a comma to separate answers as needed.) B. \( E \) and \( G=\{ \} \)

A probability experiment is conducted in which the sample space of the experiment is \( S=\{6,7,8,9,10,11,12,13,14,15,16,17\} \), Let event \( E=\{9,10,11\} \). List the outcomes in \( E^{C} \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. \( E^{C}=\{6,7,8,12,13,14,15,16,17\} \) (Use a comma to separate answers as needed.) B. \( E^{C}=\{ \} \) \( P\left(E^{C}\right)=\square \) (Type an integer or a decimal rounded to three decimal places as needed.)

A probability experiment is conducted in which the sample space of the experiment is \( S=\{6,7,8,9,10,11,12,13,14,15,16,17\} \). Let event \( E=\{9,10,11\} \). As List the outcomes in \( E^{c} \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. \( E^{c}=\{ \} \) (Use a comma to separate answers as needed.) B. \( E^{c}=\{ \} \)