The median of the data set {10, 14, 16, 20, 27} is:

In a class of 60 people, 35 are 1st year students and 25 are 2nd year students. Calculate the percent of the class who are 1st year students and the percent who are 2nd year students. Show your work. Round your answers to the nearest percent.

In a binomial distribution with sample size 20 and probability of success of .67, if you want to find the probability of 12 successes, you would calculate:

In statistics, a population does not always consist of people.

A bowl has 15 marbles. 6 are red, 5 are blue, and 4 are yellow. a) If you pick one marble randomly, what is the probability it is red or blue? b) If you randomly pick two marbles in a row, WITH REPLACEMENT, what is the probability you pick two yellow ones in a row? c) If you randomly pick two marbles in a row, WITHOUT REPLACEMENT, what is the probability that you pick a blue one and then a yellow one? SHOW YOUR WORK!

In a binomial distribution, if the probability of success, p, is .63 then probability of failure, q is:

Which kind of sample allows each unit in a population to have an equal chance of being picked, and eliminates bias?

What is the tension T1T_1​ in the horizontal cable supporting the [w]-N cat burglar, given that

In order to assess the nutritional quality of meals offered by meal kit subscription services in Australia, researchers randomly selected 12 meals from each of the five meal kit subscription services available in Australia and analyzed the nutritional quality of each meal. For the selected meals, the average number of servings of vegetables was 2.7 What type of sampling was used?

Researchers at a public university in New England wanted to study the prevalence of food insecurity among students at their university. They posted flyers in several locations around campus asking students to participate in the study. The 237 students who responded to the flyers were asked to complete a survey concerning access to food and contributing factors. Of the students who completed the survey, 36 were food insecure. What type of sampling was used?