Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Smartphones: A poll agency reports that 36% of teenagers aged 12-17 own smartphones. A random sample of 111 teenagers is drawn. Round your answers to

image text in transcribedimage text in transcribedimage text in transcribed
Smartphones: A poll agency reports that 36% of teenagers aged 12-17 own smartphones. A random sample of 111 teenagers is drawn. Round your answers to at least four decimal places as needed.Part 3 of 6 (c) Find the probability that more than 40% of the sampled teenagers own a smartphone. The probability that more than 40% of the sampled teenagers own a smartphone is .1894 X 5 Part: 3 / 6 Part 4 of 6 (d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.32 and 0.40. The probability that the proportion of the sampled teenagers who own a smartphone is between 0.32 and 0.40 is 6212 XPart 5 of 6 (e) Find the probability that less than 40% of sampled teenagers own smartphones. The probability that less than 40% of sampled teenagers own smartphones is .8106 X Part: 5 / 6 Part 6 of 6 (f) Would it be unusual if less than 28% of the sampled teenagers owned smartphones? It would be unusual if less than 28% of the sampled teenagers owned smartphones, since the probability is .0401 X

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Calculus For Scientists And Engineers Early Transcendentals

Authors: William L Briggs, Bernard Gillett, Bill L Briggs, Lyle Cochran

1st Edition

0321849213, 9780321849212

More Books

Students also viewed these Mathematics questions

Question

Why was humanistic psychology referred to as a third force?

Answered: 1 week ago