AA Please help me with these 2 questions. Normal 1. Match the confidence level with the confidence interval for μ1-μ2. Type the correct letter in each box. A. 99%. 2 ទ 1. (1-2) ± 1.6452 2. (12) 2 $1 2.576 + n1 8 s 2 82 n2 3. (2)±1.96m + n2 B. 95%. C. 90% 2. For each part, select the best response. For students at a large, state university, consider two groups. Group 1: Students who purchased their textbooks for the current semester at the campus bookstore and Group 2: Students who purchased their textbooks for the current semester online. A 99% confidence interval for μ1-μ2, the difference in population mean amounts spent on textbooks, is 30 to 60 dollars. 1. The confidence interval would tend to support the claim that, on average, students who purchased their books at the campus bookstore spent purchased their books online. dollars more than those who A. at least 32 B. at least 25 C. more than 65 D. at most 40 E. less than 20 2. The confidence interval provides no strong evidence to support or refute the claim that, on average, students who purchased their books at the campus bookstore spent more than those who purchased their books online. A. less than 65 English (United States) B. at least 20 C. more than 50 D. more than 25 E. at most 70 Accessibility: Investi dollars

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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AA
Please help me with these 2 questions.
Normal
1. Match the confidence level with the confidence interval for μ1-μ2. Type the
correct letter in each box.
A. 99%.
2
ទ
1. (1-2) ± 1.6452
2. (12)
2
$1
2.576 +
n1
8 s
2
82
n2
3. (2)±1.96m + n2
B. 95%.
C. 90%
2. For each part, select the best response.
For students at a large, state university, consider two groups. Group 1: Students who purchased
their textbooks for the current semester at the campus bookstore and Group 2: Students who
purchased their textbooks for the current semester online. A 99% confidence interval for μ1-μ2, the
difference in population mean amounts spent on textbooks, is 30 to 60 dollars.
1. The confidence interval would tend to support the claim that, on average, students who
purchased their books at the campus bookstore spent
purchased their books online.
dollars more than those who
A. at least 32
B. at least 25
C. more than 65
D. at most 40
E. less than 20
2. The confidence interval provides no strong evidence to support or refute the claim that, on
average, students who purchased their books at the campus bookstore spent
more than those who purchased their books online.
A. less than 65
English (United States)
B. at least 20
C. more than 50
D. more than 25
E. at most 70
Accessibility: Investi
dollars
Transcribed Image Text:AA Please help me with these 2 questions. Normal 1. Match the confidence level with the confidence interval for μ1-μ2. Type the correct letter in each box. A. 99%. 2 ទ 1. (1-2) ± 1.6452 2. (12) 2 $1 2.576 + n1 8 s 2 82 n2 3. (2)±1.96m + n2 B. 95%. C. 90% 2. For each part, select the best response. For students at a large, state university, consider two groups. Group 1: Students who purchased their textbooks for the current semester at the campus bookstore and Group 2: Students who purchased their textbooks for the current semester online. A 99% confidence interval for μ1-μ2, the difference in population mean amounts spent on textbooks, is 30 to 60 dollars. 1. The confidence interval would tend to support the claim that, on average, students who purchased their books at the campus bookstore spent purchased their books online. dollars more than those who A. at least 32 B. at least 25 C. more than 65 D. at most 40 E. less than 20 2. The confidence interval provides no strong evidence to support or refute the claim that, on average, students who purchased their books at the campus bookstore spent more than those who purchased their books online. A. less than 65 English (United States) B. at least 20 C. more than 50 D. more than 25 E. at most 70 Accessibility: Investi dollars
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