Question

Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 355 with 71 successes.

Answer #1

Confidence intervals for proportion is

(0.1753 , 0.2486 )

Solution file is attached go through it

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Assume that a sample is used to estimate a population proportion
p. Find the 90% confidence interval for a sample of size 230 with
12% successes. Enter your answer as an open-interval (i.e.,
parentheses) using decimals (not percents) accurate to three
decimal places.

Assume that a sample is used to estimate a population proportion
p. Find the 90% confidence interval for a sample of size 395 with
267 successes. Enter your answer as an open-interval (i.e.,
parentheses) using decimals (not percents) accurate to three
decimal places. C.I. =

Assume that a sample is used to estimate a population proportion
p. Find the 90% confidence interval for a sample of size
248 with 84 successes. Enter your answer as an
open-interval (i.e., parentheses) using
decimals (not percents) accurate to three decimal places.
90% C.I. = _______________________
Answer should be obtained without any preliminary rounding.
However, the critical value may be rounded to 3 decimal places.

Assume that a sample is used to estimate a population proportion
p. Find the 90% confidence interval for a sample of size
217 with 43 successes. Enter your answer as a tri-linear inequality
using decimals (not percents) accurate to three decimal
places.
< p <
Answer should be obtained without any preliminary rounding.
However, the critical value may be rounded to 3 decimal places.
can u show me the steps

Assume that a sample is used to estimate a population proportion
p. Find the 99% confidence interval for a sample of size
222 with 71 successes. Enter your answer as a tri-linear inequality
using decimals (not percents) accurate to three decimal places.
____< p <____
Answer should be obtained without any preliminary rounding.
However, the critical value may be rounded to 3 decimal places.

1. Assume that a sample is used to estimate a population
proportion p. Find the 80% confidence interval for a sample of size
399 with 303 successes. Enter your answer as an open-interval
(i.e., parentheses) using decimals (not percents) accurate to three
decimal places.
80% C.I. =
2. Assume that a sample is used to estimate a population
proportion p. Find the 80% confidence interval for a
sample of size 315 with 18.1% successes. Enter your answer as an
open-interval...

Assume that a sample is used to estimate a population proportion
p. Find the 98% confidence interval for a sample of size 194 with
21% successes. Enter your answer as an open-interval (i.e.,
parentheses) using decimals (not percents) accurate to three
decimal places.

Assume that a sample is used to estimate a population proportion
p. Find the 98% confidence interval for a sample of size 176 with
114 successes. Enter your answer as an open-interval (i.e.,
parentheses) using decimals (not percents) accurate to three
decimal places.

Assume that a sample is used to estimate a population proportion
p. Find the 99.9% confidence interval for a sample of size
333 with 163 successes. Enter your answer as an
open-interval (i.e., parentheses) using
decimals (not percents) accurate to three decimal places.

Assume that a sample is used to estimate a population proportion
p. Find the 98% confidence interval for a sample of size
144 with 62% successes. Enter your answer as a tri-linear
inequality using decimals (not percents) accurate to three decimal
places.
_ < p < _

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