Mathematics, 18.12.2021 03:50 m4167281
A company claims that 80% of its customers are under 30. You suspect it is less than this. You take a random sample of 200 customers to test this and find out that 75% of your sample are under 30. What is the alternative hypothesis here
Answers: 3
Mathematics, 21.06.2019 14:30
Write the sentence as an equation. b increased by 281 is d
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Mathematics, 21.06.2019 16:00
Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles
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Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 20:40
Askate shop rents roller skates as shown on the table below. which graph and function models this situation?
Answers: 1
A company claims that 80% of its customers are under 30. You suspect it is less than this. You take...
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