Required Resources
Read/review the following resources for this activity:
OpenStax Textbook: Chapter 2
Lesson
Chamberlain University Library
Internet
Scenario/Summary
This week's lab highlights the use of graphics, distributions, and tables to summarize and interpret data.
Follow the directions below to find one of the given academic articles from the Chamberlain library and then use that to describe the graphs and tables included. Further, you will describe oth...
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Archives
(Solution) Math 225N Week 4 Quiz
Week 4 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 listed below.
16,14,14,21,15
Find the mean boxes sold.
Provide your answer below:
QUESTION 2
Given the following list of prices (in thousands of dollars) of randomly selected trucks at a car dealership, find the median.
20,46,19,14,42,26,33
Provide your answer below:
QUESTION 3
Each person in a group shu...
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(Solution) Math 225N Week 4 Assignment Contingency Tables
Week 4 Assignment Contingency Tables
Question
Fill in the following contingency table and find the number of students who both play sports AND play an instrument.
Provide your answer below:
Question
A survey of 155 employed citizens was conducted and the results are shown in the table below. Given that a randomly selected survey participant does not work in an office, what is the probability that this person works on Saturday?
Enter your answer as a ...
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(Solution) Math 225N Week 4 Assignment – Distribution with Probability Rules – Excel
Question
A soda bottling company’s manufacturing process is calibrated so that 99% of bottles are filled to within specifications, while 1% is not within specification. Every hour, 12 random bottles are taken from the assembly line and tested. If 2 or more bottles in the sample are not within specification, the assembly line is shut down for recalibration. What is the probability that the assembly line will be shut down, given that it is actually calibrated correctly? Use Excel to find the pr...
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(Solution) Math 225N Week 4 Assignment – Evaluating Probability with the Binomial Distribution
Week 4 Assignment - Evaluating Probability with the Binomial Distribution
Question
Identify the parameter n in the following binomial distribution scenario. A weighted coin has a 0.441 probability of landing on heads and a 0.559 probability of landing on tails.
If you toss the coin 19 times, we want to know the probability of getting heads more than 5 times. (Consider a toss of heads as success in the binomial distribution.)
What is the correct answer?
5
14
19
24
Que...
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(Solution) Math 225N Week 4 Assignment Probability Terminology and Notation
Week 4 Assignment Probability Terminology and Notation
Question
The mean body temperature of a human is accepted to be 98.6∘F. In a study, the body temperatures of 127 individuals were measured. The mean body temperature of the individuals was calculated to be 99.0∘F. Assuming the regular body temperature of humans is actually 98.6∘F, the probability of these results occurring by chance is less than 0.01. Interpret the results of the calculation.
Select the correct answer belo...
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(Solution) Math 225N Week 4 Assignment Basic Probability
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 9? Give your answer as a fraction.
Provide your answer below:
Question
There are 26 cards in a hat, each of them containing a different letter of the alphabet. If one card is chosen at random, what is the probability that it is not between the letters L and P, inclusive?
Enter your answer as a fracti...
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(Solution) Math 225N Week 4 Mutually exclusive Events
Week 4 Mutually exclusive Events
Question
Identify the option below that represents dependent events.
Select the correct answer below:
drawing a jack and then drawing a 7 without replacement from a standard deck of cards
rolling a 1 and then rolling a 6 with a standard die
drawing a red card and then drawing a black card with replacement from a standard deck of cards
drawing a 2 and drawing a 4 with replacement from a standard deck of cards
Question
...
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(Solution) Math 225N Week 3 Assignment Standard Deviation
Week 3 Assignment Standard Deviation
Question
The following dataset represents the salaries for all six employees at a small start-up company.
Find the mean, variance, and standard deviation for this dataset of salaries (expressed in thousands of dollars):
55, 59, 63, 67, 71, 75
(Round your answers to one decimal place)
Select the correct answer below:
Question
A company is interested to know the variation in yearly sales amount for all 5 salespeople in the com...
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(Solution) Math 225N Week 3 Assignment Understanding Measures of Central Tendency
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 dataset.
Select the correct answer below:
the mean
the median
the mode
none of the above
Question
The following histogram shows the monthly rents reported in a survey of university students. Which of the...
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