**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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