In-class exercises: Consider each of the following events, and determine how the probability is assigned.

a. A teacher claims that next year, their students will have a 70% chance, probability, to finish their degrees in 4-years

b. You figured that if you guess Prof. Fernndez exam's, true/false questions, you have your likelihood of answering correctly is 50%

c. A nurse claims that the probability that a patient needs to sedated when getting blood drawn is 26%. The nurse's claim is based on a random sample of 500 patients who had blood drawn, from which 130 requested to be sedated

d. A civil engineer seeing a historic site for the first time claims that the probability that said historic site will be devastated by a natural disaster is about 45%.

e. A biologist said that the probability that lab mice released to the wild will survive over a year is close to zero. As an undergraduate, the biologist worked on numerous experiments monitoring the life span of mice re