A poll agency reports that 46% of teenagers aged 12-17 own smartphones. A random sample of 147 teenagers is drawn. Round your answers to at least four decimal places as needed. (d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.41 and 0.51.The probability that the proportion of the sampled teenagers who own a smartphone is between 0.41 and 0.51 isPart: 4 / 6Part 5 of 6(e) Find the probability that less than 50% of sampled teenagers own smartphones.The probability that less than 50% of sampled teenagers own smartphones isPart: 5 / 6Part 6 of 6(f) Would it be unusual if less than 42% of the sampled teenagers owned smartphones?It (Choose one)be unusual if less than 42% of the sampled teenagers owned smartphones, since the probability is (a) Find the mean µ^.The mean µn isPart: 1 / 6Part 2 of 6(b) Find the standard deviation on.The standard deviation oa isPart: 2 / 6Part 3 of 6(c) Find the probability that more than 52% of the sampled teenagers own a smartphone.The probability that more than 52% of the sampled teenagers own a smartphone is

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Answered: A poll agency reports that 46% of…

A poll agency reports that 46% of teenagers aged 12-17 own smartphones. A random sample of 147 teenagers is drawn. Round your answers to at least four decimal places as needed.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A poll agency reports that 46% of teenagers aged 12-17 own smartphones. A random sample of 147 teenagers is drawn. Round your answers to at least four decimal places as needed.

(d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.41 and 0.51.
The probability that the proportion of the sampled teenagers who own a smartphone is between 0.41 and 0.51 is
Part: 4 / 6
Part 5 of 6
(e) Find the probability that less than 50% of sampled teenagers own smartphones.
The probability that less than 50% of sampled teenagers own smartphones is
Part: 5 / 6
Part 6 of 6
(f) Would it be unusual if less than 42% of the sampled teenagers owned smartphones?
It (Choose one)
be unusual if less than 42% of the sampled teenagers owned smartphones, since the probability is

(a) Find the mean µ^.
The mean µn is
Part: 1 / 6
Part 2 of 6
(b) Find the standard deviation on.
The standard deviation oa is
Part: 2 / 6
Part 3 of 6
(c) Find the probability that more than 52% of the sampled teenagers own a smartphone.
The probability that more than 52% of the sampled teenagers own a smartphone is

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