Mathematics, 14.02.2020 04:15 tdluong157
A study of 420,095 cell phone users resulted in 135 who developed cancer of the brain or nervous system. When comparing this sample group to another group of people who did not use cell phones, it was found that there is a probability of 0.512 of getting such sample results by chance. What do you conclude?
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The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?
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Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
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A study of 420,095 cell phone users resulted in 135 who developed cancer of the brain or nervous sys...
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