Independent random samples were selected from two binomial populations, with sample sizes and the number of successes given below. Population Sample Size Number of Successes USE SALT 1 500 500 124 145 Construct a 95% confidence interval for the difference in the population proportions. (Use p₁ - P₂. Round your answers to four decimal places.) to Construct a 99% confidence interval for the difference in the population proportions. (Use p₁-P₂. Round your answers to four decimal places.) to What does the phrase "95% confident" or "99% confident" mean? P₂₁ O In repeated sampling, 95% or 99% confident refers to the proportion of intervals constructed in this manner that will enclose the difference in the population proportions P₁ and 95% or 99% confident refers to the probability that the difference in the population proportions p, and p₂ will fall within the intervals found above. O In repeated sampling, 95% or 99% confident refers to the proportion of intervals constructed in this manner that will enclose the difference in the sample proportions p, and P₂. ○ 95% or 99% confident refers to the probability that the difference in the sample proportions, and ₂ will fall within the intervals found above.
Independent random samples were selected from two binomial populations, with sample sizes and the number of successes given below. Population Sample Size Number of Successes USE SALT 1 500 500 124 145 Construct a 95% confidence interval for the difference in the population proportions. (Use p₁ - P₂. Round your answers to four decimal places.) to Construct a 99% confidence interval for the difference in the population proportions. (Use p₁-P₂. Round your answers to four decimal places.) to What does the phrase "95% confident" or "99% confident" mean? P₂₁ O In repeated sampling, 95% or 99% confident refers to the proportion of intervals constructed in this manner that will enclose the difference in the population proportions P₁ and 95% or 99% confident refers to the probability that the difference in the population proportions p, and p₂ will fall within the intervals found above. O In repeated sampling, 95% or 99% confident refers to the proportion of intervals constructed in this manner that will enclose the difference in the sample proportions p, and P₂. ○ 95% or 99% confident refers to the probability that the difference in the sample proportions, and ₂ will fall within the intervals found above.
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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Transcribed Image Text:Independent random samples were selected from two binomial populations, with sample sizes and the number of successes given below.
Population
1
2
500 500
124 145
Sample Size
Number of Successes
USE SALT
Construct a 95% confidence interval for the difference in the population proportions. (Use p₁ - P₂. Round your answers to four decimal places.)
to
Construct a 99% confidence interval for the difference in the population proportions. (Use p₁ - P₂. Round your answers to four decimal places.)
to
What does the phrase "95% confident" or "99% confident" mean?
O In repeated sampling, 95% or 99% confident refers to the proportion of intervals constructed in this manner that will enclose the difference in the population proportions and
P₁ P₂²
95% or 99% confident refers to the probability that the difference in the population proportions p₁ and p₂ will fall within the intervals found above.
In repeated sampling, 95% or 99% confident refers to the proportion of intervals constructed in this manner that will enclose the difference in the sample proportions p₁ and P₂.
95% or 99% confident refers to the probability that the difference in the sample proportions p, and p₂ will fall within the intervals found above.
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