Mathematics, 16.04.2020 01:51 danielanderson12
Majesty Video Production Inc. wants the mean length of its advertisements to be 26 seconds. Assume the distribution of ad length follows the normal distribution with a population standard deviation of 2 seconds. Suppose we select a sample of 21 ads produced by Majesty. a. What can we say about the shape of the distribution of the sample mean time?b. What is the standard error of the mean time? (Round your answer to 2 decimal places)c. What percent of the sample means will be greater than 27.05 seconds?d. What percent of the sample means will be greater than 25.05 seconds?e. What percent of the sample means will be greater than 25.05 but less than 27.05 seconds?"
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Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"
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Mathematics, 21.06.2019 22:30, garcser257278
If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|
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Majesty Video Production Inc. wants the mean length of its advertisements to be 26 seconds. Assume t...
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