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If the mean is 138. And standard deviation is 46. Find the probability that a randomly selected house hold in North America uses greater than 161 gallons of water per day, what is the z value probability?
A school has 200 seniors of whom 140 will be going to college next year. Forty will be going directly to work. The remainder are taking a gap year.
Obviously, these are two different conclusions and only one of them is correct. Which method and conclusion is correct and why?
what is the critical value for a left-tailed z-test at the 1 level of
Suggest a target population. Who, exactly, are the "students" in question? Suggest a choice of sampling method and comment on why you have made this choice.
A local school board wanted to compare test scores on standardized mathematics tests for 9th grade students in 2 different junior high schools. Conduct the correct test of hypothesis
Suppose that this firm operates in a perfectly competitive market. If the market price in this perfectly competitive market is $11 how much output would the firm choose to produce? How much profit/loss would they earn
define the primary purpose of a linear correlation analysis. define the primary purpose of a linear regression. are
What variables will be included, and collection methods used to obtain data. What is the population, sampling method used and why it is the best. Plan for data: describe what you will do with data once you have it, include types of graphs used and..
Draw a chart to describe these prices paidby the networks - How satisfied are you with our customer service on a scale - Construct a histogram.
Conduct two one-on-one coaching role-plays. Brief your team member on the required performance (KPIs) and performance issues you have identified for your worker
The exercise group fell asleep an average of 11 minutes faster and slept an average of 42 minutes longer than the control group.
use a .05 significance level to test the claimignificance level to test the claim that paired sample data below come
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