Question

In a recent poll, 300 people were asked if they liked dogs, and 32% said they did. Based on this, construct a 90% confidence interval for the true population proportion of people who like dogs. As in the reading, in your calculations: --Use z = 1.645 for a 90% confidence interval --Use z = 2 for a 95% confidence interval --Use z = 2.576 for a 99% confidence interval. Give your answers as decimals, to 4 decimal places.

Name: in a recent poll 300 people were asked if they liked dogs and 32 said they did based on this construct a 90 confidence interval for the true population proportion of people who like dogs as 90437
Uploaded: 2023-07-06T23:07:04-08:00
Duration: 2 min 4 s
Channel: Ivan Kochetkov
Description: in a recent poll 300 people were asked if they liked dogs and 32 said they did based on this construct a 90 confidence interval for the true population proportion of people who like dogs as 90437

          In a recent poll, 300 people were asked if they liked dogs, and
32% said they did. Based on this, construct a 90% confidence
interval for the true population proportion of people who like
dogs.
As in the reading, in your calculations:
--Use z = 1.645 for a 90% confidence interval
--Use z = 2 for a 95% confidence interval
--Use z = 2.576 for a 99% confidence interval.
Give your answers as decimals, to 4 decimal places.

Added by David R.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

07/06/2023

Step 1

We are given that 32% of the 300 people in the sample like dogs, so: p̂ = 0.32 Show more…

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In a recent poll, 300 people were asked if they liked dogs, and 32% said they did. Based on this, construct a 90% confidence interval for the true population proportion of people who like dogs. As in the reading, in your calculations: --Use z = 1.645 for a 90% confidence interval --Use z = 2 for a 95% confidence interval --Use z = 2.576 for a 99% confidence interval. Give your answers as decimals, to 4 decimal places.