What event inspired Nat Turner to lead a rebellion in 1831?

In a sample of 100 unrelated individuals from country Y, 40 have blood type O. What is a reasonable estimate of the proportion of individuals with blood type O in country Y? 

Which of the following statement is true? 

40 newly hatched sea turtles attempt to reach the ocean, and each of them has a 0.6 probability of surviving the journey. On average, how many turtles are expected to make it to the ocean?   

Suppose that we have collected the systolic blood pressure measurements of 100 unrelated individuals from country X. Which probability distribution (among the following three options) is the most appropriate for modeling this data set? 

Suppose that on average 20 people die of rabies each month worldwide. What is a reasonable probabilistic model for the number of people that die of rabies worldwide in 3 months? (For Poisson distribution, “rate” means the parameter lambda).  

Consider Question 23. Suppose now there are 10 infected persons. we want to use R to do one simulation to find out in total how many new cases will be generated by these 10 existing cases (that is, we want to simulate this random experiment in R instead of calculating theoretical values). Which of the following R code is correct?  

Which of the following CANNOT be used as the name of a variable in R? 

You are called to assess an infant with a history of hypoxic ischemic encephalopathy (HIE). The infant is excessively sucking, deviating her eyes to the left, and having jerking movements that do not stop when you hold her arms. You are most concerned about:

For the given problem, fill-in the answer with the correct number value.    The Rufus Cafe has a special lunch menu in which the diner chooses a soup or salad, a main course, and a dessert. There are `S1` choices of soups, `S2` choices of salads, `M` choices of the main courses, and `D` choices of desserts. Determine how many different three-course meals diners can order for lunch.