Question: 2. (25 points) 619 Students from grade 11 and grade 12 of Yorktown School are randomly selected. Selected are asked the question Do you own

2. (25 points) 619 Students from grade 11 and grade 12 of Yorktown School are randomly selected. Selected are asked the question Do you own a cell phone? Following contin- gency table gives information on their response:

Do you own a cell phone?

Yes No Total

Grade

12 77

11 16 Total 93

404 481 122 138 526 619

(1) (12.5 points) What is the probability that selected student is from Grade 11" and does not own a cell phone"?

(2) (12.5 points) What is the probability that selected student is from Grade 11" given the information that the student owns a cell phone"?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

$7,500$7,847Mark for follow upQuestion 2 of 49.What is the amount ef Catherine's refund?$984$4,587$10,752$14,355Mark for follow up

1. [-/3 Points] Indicate whether the following variables are discrete or continuous: The time it takes to cook your next dinner: continuous discrete The number of students that will register for Mat...

Unit Information PEN593 Energy Economics Teaching Period: S2 2022 This guide should be used in conjunction with the Handbook as the official source of information about this unit. Refer to myMurdoch...

SOCI 3P11 Dr. Kevin Gosine, Instructor QUANTITATIVE DATA ANALYSIS I REVIEW FOR MID-TERM TEST February 2015 TEST DATE: Thursday, February 26th, 2015 (7pm, AS216) A make-up test will only be granted if...

KINGS OWN INSTITUTE* Success in Higher Education ICT106 DATA COMMUNICATIONS AND NETWORKS T223 Page 1 of 18 AUSTRALIAN INSTITUTE OF BUSINESS AND MANAGEMENT PTY LTD ABN: 72 132 629 979 CRICOS 03171A...

Data Source http://data.worldbank.org/indicator World Development Indicators Country Name Afghanistan Albania Algeria Andorra Angola Antigua and Barbuda Arab World Argentina Armenia Aruba Australia...

STAT 200: Introduction to Statistics Final Examination, Summer 2017 OL3 Page 1 of 8 STAT 200 US2/OL3 Sections Final Exam Summer 2017 The final exam will be posted at 12:01 am on August 11, and it is...

STAT 200 Final Examination Summer 2017 OL3 Page 1 of 10 STAT 200 Introduction to Statistics Name______________________________ Final Examination: Summer 2017 OL3/US2 Instructor...

STAT 200 Final Examination Summer 2017 OL3 Record your answers and work. Proble m Number Solution Answer: (a) (b) (c) (d) 1 (e) Justification: Answer: (a) (b) (c) 2 Justification: Page 1 of 9 STAT...

STAT 200: Introduction to Statistics 1. Page 2 of 8 True or False. Justify for full credit. (a) (b) (c) (d) (e) 2. Final Examination, Summer 2017 OL3 If A and B are independent, P(A) = 0.4 and P(B) =...

Answer the following True/False, Multiple Choice, Fill in blank as QUICKLY AS POSSIBLE*. Please let them be correct answers. No explanation needed. 1 When conducting a one-sample t test, if a sample...

A sample of difference scores from a repeatedmeasures experiment has a mean of MD = 4 with a standard deviation of = 6. a. If n = 4, is this sample sufficient to reject the null hypothesis using a...

Factor completely. (a) 18a2b - 15ab2 (b) 4x2y + 12xy2 (c) x3 - 4x2 + 5x - 20

8. The diagram shows apparatus that can be used to investigate the rate of reaction between zinc and hydrochloric acid. (a) Write the equation, including state symbols, for the reaction between zinc...

please solve all the parts Check my work 5 Metatrend's stock will generate earnings of $6 per share this year. The discount rate for the stock is 15%, and the rate of return on reinvested earnings...

Using the information gathered in Application Exercise 7, prepare a combination general rsum that could be used with at least three of the advertised positions. Partner with a classmate to proofread...

Technology. Assume you worked for your father at his car dealership while attending school. Because you have limited work experience, you want to include this on your rsum. You have written the...

What content should go in the closing paragraph of an application letter? (Objective 1)