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96. A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 85 and 125 points?
1. provide a clear statement of the research topic and the underlying relationship that you are modeling. identify the
What was the mean number of U.S. states in which all of the beer brands were sold in in 2008 and what was the mean number of U.S. states in which all of the beer brands were sold in in 2012?
According to the Center on Budget and Policy Priorities article "Curbing Flexible Spending Accounts Could Help Pay for Health Care Reform" (revised June 10, 2009), flexible spending accounts encourage the over-consumption of health care; people buy t..
Discuss the level of measurement, assumptions that can be made, statistics that can be calculated from these data, and the general quality of the data
A person estimates that his commute to work will most likely take 50 minutes. However, it could talk as long as 1 hour and 35 minutes worst case, or as little as 35 minutes best case. What is the approximate standard deviation based on the ab..
A study was done to test the claim that discharging a newborn infant discharged early (less than 30 hours after birth) is related to re-hospitalization of that infant within a week of discharge.
Suppose that a marketing firm sends questionnaires to two different companies. Based on historical evidence, the marketing research firm believes that each company, independently of the other, will return the questionnaire with a probability of 0.30...
question 1 a gantt chart represents mainlyanswer an immediate identification of predecessor task. a record-keeping
It has been stated that 75% of the population have a smart phone. If you randomly choose 10 people, what is the probability that at least 9 people will say they have a smart phone?
A business research topic - Strengthen and improve initial proposal and research questions for the identified problem or opportunity
What is chance and what role does it play in the use of inferential statistics?
What is the probability
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