(Solution) MATH225 Week 2 Quiz

QUESTION 1 Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are…

(Solution) MATH225 Week 4 Assignment – Evaluating Probability with the Binomial Distribution

Question A basketball player has a 0.689 probability of making a free throw. If the player shoots 18 free throws, what is the probability that she makes no more than 11 of them? Answer This probability…

(Solution) MATH225 Week 3 Assignment Standard Deviation

Question Find the sample variance of the following set of data:11, 4, 4, 6, 10. Ans: 11 Question Using the following set of data (the same as in the previous problem), find the sample…

(Solution) MATH225 Week 4 Assignment – Distribution with Probability Rules – Excel

Question At a certain fast food restaurant, 77.5% of the customers order items from the value menu. If 14 customers are randomly selected, what is the probability that at least 9 customers ordered an item from…

(Solution) MATH225 Week 4 Assignment Basic Probability

Question A spinner contains the numbers 1 through 40. What is the probability that the spinner will land on a number that is not a multiple of 6? Give your answer as a fraction.…

(Solution) MATH225 Week 4 Assignment Probability Terminology and Notation

Question A survey was conducted to see whether age has an association with the belief that a master’s degree or higher provides an advantage in one’s career. Of the 524 adults between…

(Solution) MATH225 Week 4 Assignment Mutually Exclusive Events

Question Of the following pairs of events, which pair has independent events? Select the correct answer below: drawing a 2 and drawing a 4 with replacement from a standard deck of cards rolling a…

(Solution) MATH225 Week 4 Assignment Contingency Tables

Question Researchers wanted to study if having a long beak is related to flight in birds. They surveyed a total of 34 birds. The data are shown in the contingency table below.…

(Solution) MATH225 Week 3 Assignment Quartiles and Box Plots

Question The five number summary for a set of data is given below. Min Q1 Median Q3 Max 54 56 80 86 87 Using the interquartile range, which of the…

(Solution) MATH225 Week 3 Assignment Understanding Measures of Central Tendency

Question The following histogram shows the dollar amounts of donations collected by a charitable organization over the course of a month. Identify the best measure of central tendency for this…