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"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 99 confidence level.

"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 99 confidence level.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 35E
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"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 99 confidence level.

The null and alternative hypothesis in symbols would be:

Based on a sample of 240 people, 162 said they prefer "Trydint" gum to "Eklypse". The point estimate is: 0.675 (to 3 decimals) The 99 % confidence interval is: 0.629 decimals) X to 0.721 x (to 3
Transcribed Image Text:Based on a sample of 240 people, 162 said they prefer "Trydint" gum to "Eklypse". The point estimate is: 0.675 (to 3 decimals) The 99 % confidence interval is: 0.629 decimals) X to 0.721 x (to 3
The null and alternative hypothesis in symbols would be: ⒸH₁: μ = 0.7 Η : μ = 0.7 X O Ho: p ≤ 0.7 H₁: p > 0.7 O Ho:p> 0.7 H₁: p<0.7 O Ho: p = 0.7 H₁: p = 0.7 Ο Ηo : μ < 0.7 H : μ > 0.7 Ο Ηo : μ > 0.7 H : μ < 0.7 The null hypothesis in words would be: X O The average of people that prefer Trydint gum is 0.7. The proportion of all people that prefer Trydint gum is greater than 0.7. O The proportion of people in a sample that prefer Trydint gum is not 0.7 O The average of people that prefer Trydint gum is not 0.7. ● The proportion of all people that prefer Trydint gum is less than 0.7. O The proportion of people in a sample that prefers Trydint gum is 0.7. O The proportion of all people that prefer Trydint gum is 0.7
Transcribed Image Text:The null and alternative hypothesis in symbols would be: ⒸH₁: μ = 0.7 Η : μ = 0.7 X O Ho: p ≤ 0.7 H₁: p > 0.7 O Ho:p> 0.7 H₁: p<0.7 O Ho: p = 0.7 H₁: p = 0.7 Ο Ηo : μ < 0.7 H : μ > 0.7 Ο Ηo : μ > 0.7 H : μ < 0.7 The null hypothesis in words would be: X O The average of people that prefer Trydint gum is 0.7. The proportion of all people that prefer Trydint gum is greater than 0.7. O The proportion of people in a sample that prefer Trydint gum is not 0.7 O The average of people that prefer Trydint gum is not 0.7. ● The proportion of all people that prefer Trydint gum is less than 0.7. O The proportion of people in a sample that prefers Trydint gum is 0.7. O The proportion of all people that prefer Trydint gum is 0.7
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