Mathematics, 14.02.2020 01:54 monaldossari
Determine the type of bias involved. A researcher wants to know if a particular cereal helps lower cholesterol. The researcher selects a sample of 500 people with high cholesterol. He checks their cholesterol, asks them to eat the particular cereal for 30 days, and then come back to have their cholesterol checked again. 90% of the people who came back had lower cholesterol levels. 30 people came back to complete the study. bias. X 5 The type of bias involved in the given information is (Choose one) voluntary response social acceptability self-interest nonresponse
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Mathematics, 21.06.2019 20:00
An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
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Mathematics, 21.06.2019 23:30
Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0
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Mathematics, 22.06.2019 00:30
The base of the rectangle pyramid is 13 inches long and 12 inches wide the height of the pyramid is 18 inches . what is the volume of the pyramid ?
Answers: 2
Determine the type of bias involved. A researcher wants to know if a particular cereal helps lower c...
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