Mathematics, 22.07.2019 17:10 queenjay34

Astudy of 420 comma 100 cell phone users found that 133 of them developed cancer of the brain or nervous system. prior to this study of cell phone use, the rate of such cancer was found to be 0.0449% for those not using cell phones. complete parts (a) and (b). a. use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:40, Valduarte07

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Answers: 1

continue

Mathematics, 21.06.2019 16:20, PONBallfordM89

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Answers: 1

continue

Mathematics, 21.06.2019 21:00, candicecorvette

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Answers: 3

continue

Mathematics, 21.06.2019 21:30, BARRION1981

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Answers: 1

continue

You know the right answer?

Astudy of 420 comma 100 cell phone users found that 133 of them developed cancer of the brain or ner...