In 2020, the U.S. announced that it will join the One Trillion Trees Initiative. If one tree can be planted every minute, approximately how many years would it take to plant 1 trillion trees? (Hint: One trillion is 1000 billion, and one billion is 1000 million.) Assume every year has 365 days. 

The negation of the statement “Some passengers are sick” is “No passengers are sick.”

Your test score is not valid until you sign and date below.  I pledge that I will follow all exam policies including (but not limited to) the following:  I will not communicate with anyone during my exam. I will not use any materials unless they are explicitly authorized by my instructor. I will not use any internet or smart device to aid my exam (except a calculator).  The only website I can use is Canvas to launch and take the exam. I will follow all COC policies of academic integrity. Type your full name and today’s date in the box below. 

Suppose you are financing $300,000 to buy a house. The amount of your monthly payment will be less with a 15-year mortgage compared with a 30-year mortgage. 

A deductive argument starts with specific examples and comes up with a general statement.

The table below shows the number of patients at a community hospital: Outpatient Hospitalized Total Men 60 30 90 Women 55 45 100 Total 115 75 190   (a) Find the probability that a patient is hospitalized GIVEN that the patient is a woman. (b) Find the probability that a patient is a woman GIVEN that the patient is hospitalized.  Be sure to answer both questions. You do not have to reduce (simplify) your answers. Write ONLY your answers in the response box. Show your work which justifies your answers ON YOUR PAPER.    

The table below shows the number of patients at a community hospital: Outpatient Hospitalized Total Men 65 30 95 Women 50 45 95 Total 115 75 190   (a) Find the probability that a patient is hospitalized GIVEN that the patient is a woman. (b) Find the probability that a patient is a woman GIVEN that the patient is hospitalized.  Write ONLY your answers in the response box. Show your work which justifies your answers ON YOUR PAPER.

A research study is conducted to test the effectiveness of a new itching cream. A group of 1000 patients are randomly divided into two groups: group A is given the new medicine while the group B is given a placebo. The patients do not know which group they belong to, and neither do the evaluators/assessors as they interview them about the level of itchiness. What type of research study is this?

A survey asks 10,000 people what their household annual income is. This data is quantitative.

As California implemented the “mandatory mask” policy in Spring 2020, the number of new coronavirus cases started to go down for a few months.  What does this say about the “mandatory mask” policy and its effective in slowing down the coronavirus infection in the state of California?