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Opinion about Music
A Heartbeats International's survey in 2011 estimated that 40% of the world's population thought music is the most difficult to live without in their daily lives.
If this rate is still correct and a new poll of 10,000 people were obtained, how many out of those 10,000 would you expect to think the same?
What do you think is the ideal number of children for a family to have?" A Gallup Poll asked this question of 1016 randomly chosen adults. Almost half (49%) thought two children was ideal.
A researcher wants to see if urban, suburban and rural communities differ in terms of the support for food banks. The researcher randomly chose 4000 food banks from around the country and interviewed the director of each. Calculate the degrees of ..
a. Find an 80% confidence interval (CI) for p, the probability of success at each trial.
What is the probability that a randomly selected adult who is "certain" or has "little doubt" that God exists has no more than a high school education?
For each of the following populations, would a score of X = 50 be considered a central score (near the middle of the distribution) or an extreme score (far out in the tail of the distribution)?
The manager wishes to estimate the proportion to within 2% with 90% confidence. What is the minimum required sample size?
a study is to be conducted on the proportion of u.s. citizens who believe the minimum wage should be raised. what is
Statistics quiz of three questions, multiple choice. Would like to contact a well rounded tutor that will help me check my answers before submitting
Currently the clinic does 250 visits per week, with 50% of all visits as return visits. Each employee (physician, nurse, and receptionist)
how long does it take to double an investment of 1000 deposited in an account paying 6 annually compounded
in determining the range of an acoustic source by triangulation one must accurately measure the time at which the
explain the difference between the information given by a test of statistical significance such as chi square and a
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