**Survey on Technology Use: Respondents by Age Group and Device Type**Respondents of three different age groups took part in a survey about technology use. They were categorized into three groups depending on whether they have a basic cell phone, a smartphone, or they do not have a cell phone at all.**Age Groups and Device Categories:**| | 30-49 | 50-64 | 65+ ||-------------------|-------|-------|-----|| Cell phone, smartphone | 2,583 | 1,625 | 632 || Cell phone, not smartphone | 326 | 503 | 580 || No cell phone | 35 | 75 | 304 |**Instructions:**Round your answers to two decimal places.**Questions:**a. What is the probability that a randomly selected person from the sample is younger than 50? _______b. What is the probability that a randomly selected person from the sample uses a smartphone? _______c. What is the probability that a randomly selected person from the sample is younger than 50 and does not use a smartphone? _______

From the provided information, 30-49 50-64 65+ Total Cell phone, smartphone 2583 1625 632…

Answered: Respondents of three different age…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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1. Use this table for the following questions: Female Male TotalShort Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…
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what is the answer for the problem in the image?
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 6 12 18 36 Female 3 8 14 25 Total 9 20 32 61 If one student is chosen at random from those who took the test,Find the probability that the student got a 'B' GIVEN they are male.
Giving a test to a group of students, the grades and gender are summarized below A C Total Male 12 8 2 22 Female 5 19 17 41 Total 17 27 19 63 If one student is chosen at random, Find the probability that the student was male OR got an "B". Question Help: DVideo MMessage instructor Calculator Submit Question

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