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Question: Facebook provides a variety of statistics on its Web site that detail the growth and popularity of the site. On average, 28 percent of 18 to 34 year olds check their Facebook profiles before getting out of bed in the morning. Suppose this percentage follows a normal distribution with a standard deviation of five percent.
a. Find the probability that the percent of 18 to 34-year-olds who check Facebook before getting out of bed in the morning is at least 30.
b. Find the 95th percentile, and express it in a sentence.
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Rob Richman, president of AmeriBank, takes off his glasses, rubs his eyes in exhaustion, and squints at the clock in his study. It reads 3 AM. For the last several hours, Rob has been poring over AmeriBank's financial statements from the last thre..
multivariable methods can account for variables that are not known during the course of the study?a. trueb.
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The probability that the mean salary of the sample is less than $61,500 is. (Round to four decimal places as needed.)
1. Find the entropy change that occurs when 2.0 kg of water at 90 °C is mixed with 3.0 kg of water at 20 °C.
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