(a) The odds in favour of event A occurring are 1 : 4. What is the probability of A? Express your answer as a percentage. (b) The probability of an event B occurring is 75%. What are the odds in favour of event B? Write your answer in simplest form.

The map below shows the percentage change in housing prices from June 2014 to June 2015 in each of nine regions (U.S. Census divisions).+ Pacific 7.68 Mountain 7.17 West North Central 3.91 West South Central 6.92 East North Central 4.51 East South Central 4.88 Middle Atlantic 1.72 South Atlantic 6.12 New England 3.18 by You are choosing a region of the country to move to. Let E be the event that the region you choose saw a increase in housing prices of 4% or more, and let F be the event that the region you choose is on the east coast. Describe the event of EU F in words. You choose a region that saw an increase in housing prices of 4% or more or is on the east coast. You choose a region that saw a increase in housing prices of 4% or more and is on the east coast. List the outcomes of E UF. OEUF = {Pacific, Mountain, South Atlantic} EUF = {East North Central, South Atlantic, West North Central, Mountain, Pacific} EUF = {New England, Middle Atlantic, East North Central} EUF = {East North…

Kaya is planning a 4-day vacation at the beach. The forecast has a 25% chance of rain for each of those three days. What is the probability that it will rain just one of the four days? Show calculations and explain reasoning!

John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of whom came into the store. Of the 58, only 25 bought something in the store. For each of the following questions, answer using probability notation. Estimate the probability that a person who walks by the store will enter the store.