A weight loss centre provided a loss for 72% of its participants.The centre's leader decides to test a new weight loss strategy on a random sample size of 140 and found weight loss in 78% of the participants.Test an appropriate hypothesis and state your conclusion.Be sure the appropriate assumptions and conditions are satisfied before you proceed.
A)
: p = 0.72;
: p ≠ 0.72;z = 1.58;P-value = 0.1236.This data shows weak evidence of a weight loss in more than 72% of the participants in the weight loss strategy;the manager should not continue with this strategy.
B)
: p = 0.72;
: p > 0.72;z = 1.58;P-value = 0.0571.This data shows moderate evidence of a weight loss in more than 72% of the participants in the weight loss strategy;it is hard to say whether or not they should use this strategy,perhaps further testing is in order.
C)
: p = 0.72;
: p > 0.72;z = -1.58;P-value = 0.0618.This data shows weak evidence of a weight loss in more than 72% of the participants in the weight loss strategy;the manager should change strategies.
D)
: p = 0.72;
: p < 0.72;z = -1.58;P-value = 0.9382.This data shows conclusive evidence of a weight loss in more than 72% of the participants in the weight loss strategy;the manager should continue with this strategy.
E)
: p = 0.72;
: p < 0.72;z = 1.58;P-value = 0.9382.This data shows conclusive evidence of a weight loss in more than 72% of the participants in the weight loss strategy;the manager should continue with this strategy.
Correct Answer:
Verified
Q8: In April of 2011,the unemployment rate in
Q9: A company hopes to improve its engines,setting
Q12: An airline's public relations department says that
Q18: In 2010,the proportion of employees at a
Q19: At a local university,only 62% of the
Q20: A city claims that 75% of all
Q21: A university wants to increase its retention
Q22: Five years ago,a company found that 8%
Q25: The management of a water park has
Q27: A city claims that 75% of all
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents