Mathematics, 25.02.2020 04:29 like4754
In a study of 390,155 cell phone users, it was found that 63 develop cancer of the brain or nervous system. Assuming that cell phone to have no effect, there is a 0.000188 probability of a person developing cancer of the brain or never system. We therefore expect about 74 cases of such cancer in a group of 390,155 people. Estimate the probability of 63 or fewer cases of such cancer in a group of 390,155 people. What do these results suggest about media reports that cell phones cause cancer of the brain or nervous system?
Answers: 2
Mathematics, 21.06.2019 21:00
Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?
Answers: 2
Mathematics, 21.06.2019 21:00
The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?
Answers: 1
Mathematics, 21.06.2019 23:30
Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?
Answers: 1
Mathematics, 22.06.2019 01:50
Leonardo wrote an equation that has an infinite number of solutions. one of the terms in leonardo’s equation is missing, as shown below.
Answers: 2
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