Statistics
Chamberlian School of Nursing
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Sophia Statistics Unit 3 Milestone complete
- Exam (elaborations) • 22 pages • 2021
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Which of the following is a property of binomial distributions? 
The sum of the probabilities of successes and failures is always 1. 
All trials are dependent. 
The expected value is equal to the number of successes in the experiment. 
There are exactly three possible outcomes for each trial. 
RATIONALE 
Recall that for any probability distribution, the sum of all the probabilities must sum to 1. 
CONCEPT 
Binomial Distribution 
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BAKER JUSTINE C. PRINTED TEST BANK WITH IMMEDIATE ANSWER KEYS
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BAKER JUSTINE C. PRINTED TEST BANK WITH IMMEDIATE ANSWER KEYS
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Chamberlain College of NursingSTATISTICS MISCConstruct Hypothesis Test for Proportions
- Exam (elaborations) • 39 pages • 2021
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Question 
Mary, a javelin thrower, claims that her average throw is 61 meters. During a 
practice session, Mary has a sample throw mean of 55.5 meters based on 12 
throws. At the 1% significance level, does the data provide sufficient evidence to 
conclude that Mary's mean throw is less than 61 meters? Accept or reject the 
hypothesis given the sample data below. 
 H0:μ=61 meters ; Ha:μ<61 meters 
 α=0.01 (significance level) 
 z0=−1.99 
 p=0.0233 
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