MATH221 Week 3 Quiz New – 24 Questions – 100% Score – Study Guide – Perfect Solution

Lab Price = $9
Please feel free to send us your queries at: support@iqrajavaid.com
P.S: This is just a study guide. The questions may not appear exactly like this.
Payment methods

Add to Cart

Buy Now

View Cart


Problem Statement

Question 1

(CO 1) A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the population and what is the sample?

1. Population: people who like sweaters; Sample: the 74% that had a wild holiday sweater
2. Population: people who like wild sweaters; Sample: the 385 people who like wild sweaters
3. Population: people who like wild sweaters: Sample: the 385 people who had a wild holiday sweater
4. Population: people who like wild sweaters; Sample: the 74% that had a wild holiday sweater

Question 2

(CO 1) Classify the data of the top grossing movies for 2017.

Qualitative
Classical
Statistics
Quantitative

Question 3

(CO 1) A data set that includes the number of products that were produced within each hour by a company would be classified as what type of data?
Ratio
Nominal
Interval
Ordinal

Question 4

(CO 1) What type of data collection might be best to estimate how many books individuals read in the past 6 months?
Experiment
Survey
Simulation
Observational

Question 5

(CO 1) What type of data collection might be best to study how many books students bring into the media center during finals week?
Survey
Simulation
Experiment
Observational

Question 6

(CO 1) You need to study the satisfaction of customers of a specific restaurant. You decide to randomly select one customer at each table. This would most closely describe which type of sampling technique?
Cluster
Stratified
Random
Systematic

Question 7

(CO 2) Which of the following graphs would be a line graph?

Quiz3_Q9

Question 8

(CO 1) In a normally distributed data set of how long customers stay in your store, the mean is 43.5 minutes and the standard deviation is 3.9 minutes. Within what range would you expect 95% of your customers to stay in your store?
31.8-55.2
35.7-51.3
39.6-47.4
42.5-44.5

Question 9

(CO 1) Which of the following graphs would be considered normally distributed?

Quiz3_Q11

Question 10

(CO 1) In a normally distributed data set with a mean of 19 and a standard deviation of 2.6, what percentage of the data would be between 13.8 and 24.2?
68% based on the histogram
68% based on the Empirical Rule
95% based on the Empirical Rule
95% based on the histogram

Question 11

(CO 1) Which of the following would be the standard deviation for this sample data set: 5, 7, 6, 9, 6, 4, 4, 6, 5, 9, 3?
1.85
1.94
5.82
2.91

Question 12

(CO 1) What would be the mean of this data set: 8, 9, 7, 508, 7, 1, 5, 3, 4?
55.2
5.7
57.0
61.3

Question 13

(CO 1) To gather information on customer satisfaction, a researcher goes into the local store and interviews six randomly selected customers. This sampling technique is called:
Cluster
Stratified
Convenience
Random

Question 14

(CO 1) What is the standard deviation and its meaning in the sample of customer ages? 45, 76, 30, 22, 51, 40, 63, 66, 27
17.8 which means that many of the ages will be within half of this value of the average age
17.8 which means that many of the ages will be around this value
18.8 which means that many of the ages will be around the square of this value
18.8 which means that many of the ages will be within this value of the average age

Question 15

(CO 3) A random selection from a deck of cards selects one card. What is the probability of selecting a spade?
0.025
0.250
0.077
0.050

Question 16

(CO 3) What is the sample space to responses to a question whose answers are Yes or No, along with a question on location with possible answers of North, South, East, or West?
(Yes, Yes)(No, No)(North, North)(South, South)(East, East)(West, West)
(Yes, North)(Yes, South)(Yes, East)(Yes, West)(Yes, No)(No, North)(No, South)(No, East)(No, West)
(Yes, North)(Yes, South)(Yes, East)(Yes, West)(No, North)(No, South)(No, East)(No, West)
(Yes, No, North, South, East, West)

Question 17

(CO 3) Consider the table below

Quiz3_Q20

What is the probability that the next person asked has no cats?

50%
62%
5%
31%

Question 18

(CO 3) Consider the table below

Quiz3_Q21

What is the probability that the next person chosen will be in the 40-49 or 50-59 age groups?

35.4%
23.7%
31.7%
42.5%

Question 19

(CO 3) You are selling your product at a three-day event. Each day, there is a 60% chance that you will make money. What is the probability that you will make money all three days?
0.144
0.216
0.096
0.288

Question 20

(CO 3) Consider the table below.

Quiz3_Q25

Find the probability that a randomly selected location is going to be profitable, given that it is in an urban location.

56.8%
48.8%
51.4%
36.2%

Question 21

(CO 3) Consider the table below.
Quiz3_Q26

Find the probability that a randomly selected product is from the West, given that it is defective.
34.8%
28.5%
15.6%
84.4%

Question 22

(CO 3) Classify these events. Selecting a king from a deck of cards, replacing it and selecting another king from the same deck. These events would be considered:
Dependent
Subjective
Independent
Empirical

Question 23

(CO 3) Classify these events. Some businesses have large stores and some businesses have large parking lots. These events would be considered:
Classical
Independent
Dependent
Subjective

Question 24

(CO 3) Randomly select a customer that purchases tofu. Randomly select a customer that purchases chicken. Are these events mutually exclusive?
Non-mutually exclusive events
Mutually exclusive events

Relevant Material
Instructions
* If you want to purchase multiple products then click on “Buy Now” button which will give you ADD TO CART option.Please note that the payment is done through PayPal.
* You can also use 2CO option if you want to purchase through Credit Cards/Paypal but make sure you put the correct billing information otherwise you wont be able to receive any download link.
* Your paypal has to be pre-loaded in order to complete the purchase or otherwise please discuss it with us at support@iqrajavaid.com.
* As soon as the payment is received, download link of the solution will automatically be sent to the address used in selected payment method.
* Please check your junk mails as the download link email might go there and please be patient for the download link email. Sometimes, due to server congestion, you may receive download link with a delay.
* All the contents are compressed in one zip folder.
* In case if you get stuck at any point during the payment process, please immediately contact us at support@iqrajavaid.com and we will fix it with you.
* We try our best to reach back to you on immediate basis. However, please wait for atleast 8 hours for a response from our side. Afterall, we are humans.
* Comments/Feedbacks are truely welcomed and there might be some incentives for you for the next lab/quiz/assignment.
* In case of any query, please donot hesitate to contact us at support@iqrajavaid.com.
* MOST IMPORTANT Please use the tutorials as a guide and they need NOT to be used for any submission. Just take help from the material.
******************************************** Good Luck ***************************************************
Privacy Policy
We take your privacy seriously and will take all measures to protect your personal information.
Any personal information received will only be used to fill your order. We will not sell or redistribute your information to anyone.
Refund Policy
Incase you face any issues with the tutorial, please free to contact us on support@iqrajavaid.com
We will try our best to resolve the issue and if still persists we can discuss for a refund in case its required.
Lab Price = $9
Please feel free to send us your queries at: support@iqrajavaid.com

Payment methods

Add to Cart

Buy Now

View Cart

Leave a Reply