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For each of the following statements, give the null hypothesis (Ho), and the alternate hypothesis (H1).
1. The mean salary of your employees is at least $23,000
2. The mean number of children your employees have in daycare more than 3.
3. The percent of students passing the 12th grade proficiency exam is less than 40%.
4. The mean amount of money spent per student on tutoring is at most $800.
According to accountemps inc. 48% of all executives believe that employees are most productive on Tuesdays. a random sample of 200 executives is taken for a study.
Find the probability that the mean wieght of these 400 bags exceeds 16.6 ounces.
The town clerk, who monitors the voting booths, informed him that all the voters in the entire town registered at a recent election, and 310,000 votes were counted.
A function sometimes associated with a continuous nonnegative random variable is the failure rate (or hazard rate) function which is defined as:
In a research study, what does statistically significant mean? How are decisions made on data based on significance? What do you do with data that is not significantly different?
discussion forum team as we continue to understand the power of economics in a global context evaluate the impact of
annual starting salaries for college graduates with degrees in business administration are generally expected to be
is wheaties a power breakfast? a study is done an an elementary statistics class 500 students agree to participate.
On average, how long does patient stay in ER? On average, how long does Potential Admit stay in ER? On average, how many patients are in the ER?
When asked to construct numeric hypotheses, what does this entail? How does one format research questions and sub-questions?
You are told that 95% of the scores range between 300 and 660. Using the 68, 95,99.7 rule, what is the standard deviation of exam scores?
How should the candidate purchase the five commercials to maximize the estimated number of additional voters?
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